Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Musculoskeletal Anatomy > Midterm (muscles) > Flashcards

Midterm (muscles) Flashcards

1
Q

Type of muscle?
Origine/insertion?
Innervation?

Trapezius m.

A

Type : Extrinsic Back Muscle

Origin
• Base of skull (occipital bone)
• C1–T12 SPs

Insertion
• Lateral 1/3 of clavicle
• Acromion process of scapula
• Spine of the scapula

Innervation
• Spinal accessory n. (CN XI)

Actions :
Elevation of scapula
Shoulder shrugging
Retraction of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Latissimus dorsi m.

A

Type : Extrinsic Back Muscle

Origin
• T7–T12 SPs
• Thoracolumbarfascia
• Posterior 1/3 of iliac crest
• Ribs 9-12
• Inferior angle of scapula

Insertion
• Floor of the intertubercular groove of humerus (anterior)

Innervation
• Thoracodorsal n.

Action :
Medial rotation of arm
Arm extension
ADD of arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Levator scapulae m.

A

Type : Extrinsic Back Muscle

Origin
• C1–C4 TPs

Insertion
• Superior angle of scapula

Innervation
• Dorsal scapular n.

Action :
Elevate scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Rhomboid minor m.

A

Type : Extrinsic Back Muscle

Origin
• C7–T1 SPs

Insertion
• Medial border of scapula
• Superior to spine of scapula

Innervation
• Dorsal scapular n.

Action :
Retraction of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Rhomboid major m.

A

Type : Extrinsic Back Muscle

Origin
• T2–T5 SPs

Insertion
• Medial border of scapula (inferior to spine of scapula)

Innervation
• Dorsal scapular n.

Action :
Retraction of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Triangle of Auscultation in the Back?

A
  • Trapezius m.
  • Rhomboid major m.
  • Latissimus dorsi m.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Serratus posterior superior m.

A

Type : Superficial Intrinsic Back Muscle

Origin
• C7–T3 SPs

Insertion
• Ribs 2–4

Innervation
• Intercostal n. (anterior rami)

Action :
Forced inhalation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Serratus posterior inferior m.

A

Type : Superficial Intrinsic Back Muscle

Origin
• T11-L2 SPs

Insertion
• Ribs 8–12

Innervation
• Intercostal n. (anterior rami)

Action :
Forced inhalation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Splenius capitis m.

A

Type : Superficial Intrinsic Back Muscle

Origin
• Nuchal ligament
• C7–T3 SPs

Insertion
• Occipital bone (mastoid
process)

Innervation
• Posterior rami of spinal nerves

Action :
Cervical extension
Ipsilateral cervical rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Splenius cervicis m.

A

Type : Superficial Intrinsic Back Muscle

Origin
• T3–T6 SPs

Insertion
• C1–C3 TPs

Innervation
• Posterior rami of spinal nerves

Action :
Cervical extension
Ipsilateral cervical rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Group?
Regions of the spine?
Iliocostalis m.

A

Type : Intermediate Intrinsic Back Muscle

Group : Erector spinae group

Regions : ce, t, l

Origin
• Sacrum
• Iliac crest
• Thoracolumbarfascia

Insertion
• Angles of ribs

Innervation
• Posterior rami of spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Group?
Regions of the spine?
Longissimus m.

A

Type : Intermediate Intrinsic Back Muscle

Group : Erector spinae group

Regions : ca, ce, t

Origin
• Sacrum
• Iliac crest
• Lumbar vertebrae (TPs and SPs)

Insertion
• TPs
• Mastoid process (occipital bone)

Innervation
• Posterior rami of spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Group?
Regions of the spine?
Spinalis m.

A

Type : Intermediate Intrinsic Back Muscle

Group : Erector spinae group

Regions : ce, t

Origin
• Nuchal ligament
• SPs

Insertion
• SPs

Innervation
• Posterior rami of spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Group?
Regions of the spine?
Semispinalis m.

A

Type : Deep Intrinsic Back Muscle (1st Layer)

Group : Transversospinalis group

Regions : ca, ce, t (4-6)

Origin
• C4–T12 TPs

Insertion
• Occipital bone (ca only)
• C2–T4 SPs

Innervation
• Posterior rami of spinal nerves

Action : 
Controlateral rotation (little bit)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Group?
Regions of the spine?
Multifidis m.

A

Type : Deep Intrinsic Back Muscle (1st Layer)

Group : Transversospinalis group

Regions : ca, ce, t, l (most l) (2-4)

Origin
• TPs

Insertion
• SPs

Innervation
• Posterior rami of spinal nerves

Action : 
Controlateral rotation (little bit)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Group?
Regions of the spine?
Rotatores m. (longus and brevis)

A

Type : Deep Intrinsic Back Muscle (1st Layer)

Group : Transversospinalis group

Regions : ca, ce, t, l (most t) (1-2)

Origin
• TPs

Insertion
• SPs

Innervation
• Posterior rami of spinal nerves

 Action : 
Controlateral rotation (little bit)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Group?

Interspinales m.

A

Types : Deep Intrinsic Back Muscle (2nd Layer)

Group : Segmental group

Origin
• SPs

Insertion
• SPs

Innervation
• Posterior rami of spinal nerves

Action :
Back extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Group?

Intertransversarii m.

A

Types : Deep Intrinsic Back Muscle (2nd Layer)

Group : Segmental group

Origin
• TPs

Insertion
• TPs

Innervation
• Anterior AND posterior rami of spinal nerves

Action : Ipsilateral flexion of the back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Group?

Levatores costerum m.

A

Types : Deep Intrinsic Back Muscle (2nd Layer)

Group : Segmental group

Origin
• TPs

Insertion
• Inferior ribs

Innervation
• Posterior rami of spinal nerves

Action :
Elevate the ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Sternocleidomastoid m.

A

Type : Muscle of the neck

Origin
• Manubrium of sternum
• Clavicle

Insertion
• Mastoid process (occipital bone)

Innervation
• Spinal accessory n. (CN XI)

Action :
Lateral flexion
Contralateral rotation of neck
Flexion of cervical spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Region?

Obliquus capitis inferior m.

A

Type : Muscle of the neck

Region : Suboccipital region

Origin
• C2 spinous process

Insertion
• C1 transverse process

Innervation
• C1 posterior ramus (suboccipital n.)

Action :
Ipsilateral rotation
Lateral flexion
Neck extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Region?

Obliquus capitis superior m.

A

Type : Muscle of the neck

Region : Suboccipital region

Origin
• C1 TP

Insertion
• Occipital bone

Innervation
• C1 posterior ramus (suboccipital n.)

Action :
Neck extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Region?

Rectus capitis posterior major m.

A

Type : Muscle of the neck

Region : Suboccipital region

Origin
• C2 SP

Insertion
• Occipital bone

Innervation
• C1 posterior ramus (suboccipital n.)

Action :
Lateral flexion of the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Region?

Rectus capitis posterior minor m.

A

Type : Muscle of the neck

Region : Suboccipital region

Origin
• C1 posterior arch (SP)

Insertion
• Occipital bone

Innervation
• C1 posterior ramus (suboccipital n.)

Action :
Lateral flexion of the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Suboccupital triangle

m. + a. + n. (5)

A
  • Obliquus capitis superior m.
  • Rectus capitis posterior major m.
  • Obliquus capitis inferior m.
  • Vertebral a.
  • C1 posterior ramus (suboccipital n.)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Region?

Rectus capitis lateralis m.

A

Type : Muscle of the neck

Region : Deep anterior (prevertebral) region

Origin
• C1 lateral mass (transverse process)

Insertion
• Occipital bone

Innervation
• C1 anterior ramus

Action :
Neck flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Region?

Longus capitis m.

A

Type : Muscle of the neck

Region : Deep anterior (prevertebral) region

Origin
• C3 – C6 transverse processes

Insertion
• Occipital bone

Innervation
• C1-C3 anterior rami of spinal nerves

Action :
Neck flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Region?

Rectus capitis anterior m.

A

Type : Muscle of the neck

Region : Deep anterior (prevertebral) region

Origin
• C1 lateral mass (transverse process)

Insertion
• Occipital bone

Innervation
• C1 anterior ramus

Action :
Neck flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Region?
Parts?
Longus coli m.

A

Type : Muscle of the neck

Region : Deep anterior (prevertebral) region

3 parts :
• Vertical
• Superior oblique
• Inferior oblique

Origin
• Anterior aspects of vertebral bodies
• Transverse processes

Insertion
• Anterior aspects of vertebral bodies
• Transverse processes

Innervation
• C2-C6 anterior rami of spinal nerves

Action :
Neck flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Group?

Anterior scalene m.

A

Type : Muscle of the neck

Group : Scalene muscle group

Origin
• C3 – C6 transverse processes

Insertion
• Rib 1

Innervation
• C3 – C8 anterior rami of spinal nerves

Action :
Ipsilateral flexion of the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Group?

Middle scalene m.

A

Type : Muscle of the neck

Group : Scalene muscle group

Origin
• C1 – C7 transverse processes

Insertion
• Rib 1

Innervation
• C3 – C8 anterior rami of spinal nerves

Action :
Ipsilateral flexion of the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Group?

Posterior scalene m.

A

Type : Muscle of the neck

Group : Scalene muscle group

Origin
• C1 – C7 transverse processes

Insertion
• Rib 2

Innervation
• C3 – C8 anterior rami of spinal nerves

Action :
Ipsilateral flexion of the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

False ribs

A

8-10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

True ribs

A

1-7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Floating ribs

A

11-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Landmark for jugular notch?

A

T2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Landmark for Manubriosternal joint?

A

T4/T5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Landmark for Xiphisternal joint?

A

T9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What type of joint is the Manubriosternal joint?

A

Symphisis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What type of joint is the Costochondral joint?

A

Synchondrosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What type of joint is the Sternocostal joint?

A

Synovial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What type of joint is the Interchondral joint?

A

Synovial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

What type of joint is the Xiphisternal joint?

A

Synchondrosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What is the name of the rib b/t T5 and T6?

A

Rib 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

What type of joint is the Costotranverse joint?

A

Synovial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Who are the atypical ribs?

What makes them atypical?

A

Rib 1
• Articulates w/ T1 only
• No costal groove
• Flat and very small

Rib 2
• Smaller than others (> than Rib 1)

Rib 10
• Articulates w/ T10 only

Rib 11 and 12 :
• Only articulate w/ T11 ant T12 (respectively)
• Short
• No necks or tubercules
• No costotransverse joints)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

External intercostal m.

A

Type : Muscle of the Thoracic Wall

Origin and insertion :
• Between adjacent ribs

Innervation :
• Intercostal n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Where is VAN in relation w/ ribs?

A 
Rib is superior to VAN.
Up to down: 
Rib 1
Veine 1
Artery 1
Nerve 1
Muscle
Rib 2
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Internal intercostal m.

A

Type : Muscle of the Thoracic Wall

Origin and insertion :
• Between adjacent ribs

Innervation :
• Intercostal n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Innermost intercostal m.

A

Type : Muscle of the Thoracic Wall

Origin and insertion :
• Between adjacent ribs

Innervation :
• Intercostal n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Transversus thoracis m.

A

Type : Muscle of the Thoracic Wall

Origin
• Sternum

Insertion :
• Ribs 2-6

Innervation :
• Intercostal n.

Action :
Depression of the ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Subcostal m.

A

Type : Muscle of the Thoracic Wall

Origin and insertion :
• Between non-adjacent ribs

Innervation :
• Intercostal n.

Action :
Depression of the ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Landmarks for diaphragm?

A

Right dome : above rib 5

Left dome : below rib 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Innervation for diaphragm?

A

Phrenic n.

C2-C4-C5 keep the diaphragm alive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Name of the fascia right under skin in the abdominal wall?

A

Camper’s fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Name of the fascia right above the rectus sheath in the abdominal wall?

A

Scarpa’s fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Name of the fascia right under the rectus sheath in the abdominal wall?

A

Transversalis fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

External oblique m.

A

Type : Anterolateral Abdominal Wall

Origin :
• Ribs 5-12

Insertion :
• Linea alba (anterior rectus sheath (aponeurosis))
• Iliac crest (anterior part)
• Public bone

Innervation
• Intercostal n.

Action :
Unilaterally : lateral ipsilateral flexion and contralateral rotation of the trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Internal oblique m.

A

Type : Anterolateral Abdominal Wall

Origin :
• Thoracolumbar fascia (deep)
• Iliac crest

Insertion :
• Linea alba (anterior rectus sheath (aponeurosis))
• Lower ribs (ribs 10-12)

Innervation 
• Intercostal n.
• Subcostal n. (T12 anterior ramus)
• Iliohypogastric n. (L1)
• Ilioinguinal n. (L1)

Action :
Unilaterally : lateral ipsilateral flexion and contralateral rotation of the trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Transversus abdominis m.

A

Type : Anterolateral Abdominal Wall

Origin :
• Inferior ribs (internal aspects)
• Thoracolumbar fascia (deep)
• Iliac crest

Insertion :
• Linea alba (anterior rectus sheath (aponeurosis))
• Pubic bone

Innervation 
• Intercostal n.
• Subcostal n. (T12 anterior ramus)
• Iliohypogastric n. (L1)
• Ilioinguinal n. (L1)

Action :
Forced exhalation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Rectus abdominis m.

A

Type : Anterolateral Abdominal Wall

Origin :
• Pubic bone
• Pubic symphysis

Insertion :
• Xiphoid process
• Cartilage of ribs 5-7

Innervation
• Intercostal n.
• Subcostal n. (T12 anterior ramus)

Action
• Flexion of lumbar spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

What is the landmark for the arcuate line?

A

Belly button

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

What is the difference between the rector sheath above and under the arcuate line?

A

Everything jumps anterior under the arcuate line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

What happens to the inferior epigastric a. above the arcuate line?

A

Goes INTO the muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Inferior epigastric a. forms an anastomosis w/ which artery?

A

Superior epigastric a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

What are the vertebral rami for the :

  • Intercostal n.
  • Subcostal n.
  • Iliohypogastric n.
  • Ilioinguinal n.
A
  • Intercostal n. : T7-T11 anterior rami
  • Subcostal n. : T12 anterior ramus
  • Iliohypogastric n. : L1 anterior ramus
  • Ilioinguinal n. : L1 anterior ramus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Psoas minor m.

A

Type : Posterior Abdominal Wall

Origin
• T12 - L1

Insertion
• Pubic bone (long tendon)

Innervation
• Anterior rami (L2 - L4)

Action :
Hip flexion
Spinal flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Psoas major m.

A

Type : Posterior Abdominal Wall

Origin
• T12 - L5

Insertion
• Iliopsoas m.

Innervation
• Anterior rami (L2 - L4)

Action :
Hip flexion
Spinal flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Iliacus m.

A

Type : Posterior Abdominal Wall

Origin
• Iliac fossa

Insertion
• Iliopsoas m.

Innervation
• Femoral n. (L2 - L4)

Action :
Hip flexion
Spinal flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Iliopsoas m.

A

Type : Posterior Abdominal Wall

Origin
• Psoas major m.
• Iliacus m.

Insertion
• Lesser trochanter of femur

Innervation
• Anterior rami (L2 - L4)

Action :
Hip flexion
Spinal flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

Quadratus lumborum m.

A

Type : Posterior Abdominal Wall

Origin
• Rib 12
• L1 - L4 TPs

Insertion
• Iliac crest

Innervation
• T12 - L4 anterior rami

Action :
Unilaterally : Lateral ipsilateral flexion of the spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Landmark for caval hiatus?

A

Inferior vena cava –> T8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

Landmark for esophageal hiatus?

A

T10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Landmark for aortic hiatus?

A

T12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Landmark for median arcuate ligament?

A

Aortic hiatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

Landmark for medial arcuate ligament?

A

Psoas major and minor m.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Landmark for lateral arcuate ligament?

A

Quadratus lumborum m.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

Landmark for spine of the scapula?

A

T3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

Landmark for inferior angle of scapula?

A

T8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

What kind of joint is the Sternoclavicular joint?

A

Synovial (saddle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

Name the ligaments related to the Sternoclavicular joint.

A
  • Anterior sternoclavicular ligament

- Costoclavicular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

Which joint increase the ROM of the scapula by 120°?

A

Glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

What kind of joint is the Acromioclavicular joint?

A

Synovial (planar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

In which situations can a posterior shoulder dislocation appear?

A

Stair-falls
Sports injuries
Car accidents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

In which situations can anterior shoulder dislocation appear?

A

Weight-lifting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

What kind of joint is the Glenohumeral joint?

A

Synovial (ball and socket)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

What are the ligaments associated w/ the Glenohumeral joint? (4)

A
  • Coracohumeral ligament
  • Superior glenohumeral ligament
  • Middle glenohumeral ligament
  • Inferior glenohumeral ligament
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

Pectoralis major m.

A

Type : Muscle of the Shoulder

Group : Anterior Shoulder Muscle

Origin
• Clavicle (head)
• Sternum (head)
• Ribs

Insertion
• Lateral lip of inter tubercular groove

Innervation
• Medial pectoral n.
• Lateral pectoral n.

Action :
ADD of the arm
Shoulder flexion
Medial rotation of shoulder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

Pectoralis minor m.

A

Type : Muscle of the Shoulder

Group : Anterior Shoulder Muscle

Origin
• Ribs 3-5

Insertion
• Coracoid process of scapula

Innervation
• Medial pectoral n.
• Lateral pectoral n.

Action :
Protraction of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

Subclavius m.

A

Type : Muscle of the Shoulder

Group : Anterior Shoulder Muscle

Origin
• Rib 1

Insertion
• Inferior surface of clavicle

Innervation
• N. to subclavius

Action :
Stabilization
Depression of clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

Serratus anterior m.

A

Type : Muscle of the Shoulder

Group : Lateral Shoulder Muscle

Origin
• Lateral aspects of ribs

Insertion
• Medial border of scapula

Innervation
• Long thoracic n.

Action :
Protraction of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
92
Q

Fibers?

Deltoid m.

A

Type : Muscle of the Shoulder

Group : Lateral Shoulder Muscle

3 fibers
• Posterior
• Middle
• Anterior

Origin
• Pectoral girdle

Insertion
• Deltoid tuberosity

Innervation
• Axillary n.

Action :
Ant. fibers : shoulder flexion
Middle fibers : ABD
Post. fibers : shoulder extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
93
Q

Subscapularis m.

A

Type : Muscle of the Shoulder

Group : Rotator Cuff Muscles (anterior)

Origin
• Subscapular fossa

Insertion
• Lesser tubercle of humerus

Innervation
• Upper subscapular n.
• Lower subscapular n.

Action :
Medial rotation of shoulder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
94
Q

Supraspinatus m.

A

Type : Muscle of the Shoulder

Group : Rotator Cuff Muscles (posterior)

Origin
• Supraspinous fossa

Insertion
• Greater tubercle of humerus (superior facet)

Innervation
• Suprascapular n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
95
Q

Infraspinatus m.

A

Type : Muscle of the Shoulder

Group : Rotator Cuff Muscles (posterior)

Origin
• Infraspinous fossa

Insertion
• Greater tubercle of humerus (middle facet)

Innervation
• Suprascapular n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
96
Q

Teres minor m.

A

Type : Muscle of the Shoulder

Group : Rotator Cuff Muscles (posterior)

Origin
• Lateral border of scapula

Insertion
• Greater tubercle of humerus (inferior facet)

Innervation
• Axillary n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
97
Q

Teres major m.

A

Type : Muscle of the Shoulder

Group : Posterior shoulder muscles

Origin
• Lateral border of scapula
• Inferior angle of scapula

Insertion
• Medial lip of inter tubercular groove

Innervation
• Lower subscapular n.

Action :
ADD of arm
Medial rotation of shoulder
Extension of arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
98
Q

What are the landmarks for the triangular space?

A
  • Teres minor m.
  • Teres major m.
  • Long head of biceps brachii m.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
99
Q

What pass through the triangular space?

A

Circumflex scapular a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
100
Q

What pass through the quadrangular space?

A
  • Axillary n.

- Posterior humeral circumflex a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
101
Q

What are the landmarks for the quadrangular space?

A
  • Teres minor m.
  • Humerus
  • Long head of biceps brachii m.
  • Teres major m.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
102
Q

What are the landmarks for the triangular interval?

A
  • Humerus
  • Long head of biceps brachii m.
  • Teres major m.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
103
Q

What pass through the triangular interval?

A
  • Radial n.

- Deep brachial a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
104
Q

Biceps brachii m.

A

Type : Muscle of the Arm

Group : Anterior compartment

Origin
• Long head : supraglenoid tubercle of scapula
• Short head : coracoid process

Insertion
• Radial tuberosity
• Bicipital aponeurosis

Innervation
• Musculocutaneous n.

Action :
Flexion at elbow
Supanation of forearme
Flexion of arm at shoulder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
105
Q

Coracobrachialis m.

A

Type : Muscle of the Arm

Group : Anterior compartment

Origin
• Coracoid process

Insertion
• Shaft of humerus (anterior)

Innervation
• Musculocutaneous n.

Action :
Flexion of shoulder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
106
Q

Brachialis m.

A

Type : Muscle of the Arm

Group : Anterior compartment

Origin
• Shaft of humerus (anterior)

Insertion
• Ulnar tuberosity

Innervation
• Musculocutaneous n.

Mvt : MAIN flexor of elbow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
107
Q

Triceps brachii m.

A

Type : Muscle of the Arm

Group : Posterior compartment

Origin
• Long head : infraglenoid tubercle of scapula
• Lateral head : surgical neck of humerus (posterior)
• Medial head : shaft of humerus (posterior)

Insertion
• Olecranon process

Innervation
• Radial n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
108
Q

What are the landmarks for the apex (superior) of the axilla? (3)

A
  • Clavicle
  • Rib 1
  • Superior border of scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
109
Q

What is the landmark for the base (inferior) of the axilla?

A

Skin

110
Q

What are the landmarks for the anterior wall of the axilla? (3)

A
  • Subclavius m.
  • Pectoralis major m.
  • Pectoralis minor m.
111
Q

What are the landmarks for the posterior wall of the axilla? (3)

A
  • Subscapularis m.
  • Latissimus dorsi m.
  • Teres major m.
112
Q

What is the landmark for the medial wall of the axilla?

A

Serratus anterior m.

113
Q

What is the landmark for the lateral wall of the axilla?

A

Humerus (inter tubercular groove)

114
Q

What are the muscles present in the axilla? (6)

A
  • Pectoralis major m.
  • Pectoralis minor m.
  • Serratus anterior m.
  • Subscapularis m.
  • Teres major m.
  • Latissimus dorsi m.
115
Q

What are the tendons present in the axilla? (3)

A
  • Coracobrachialis m.
  • Short head of biceps brachii m.
  • Long head go biceps brachii m.
116
Q

What is the content of the axillary sheath? (3)

A
  • Axillary a.
  • Axillary v.
  • Brachial plexus
117
Q

What are the a. that ramifies from the subclavian artery? (4)

A
  • Vertebral a.
  • Internal thoracic a.
  • Thyrocervical trunk
    • Dorsal scapular a.
    • Suprascapular a.
  • Costocervical trunk
  • Dorsal scapular (sometimes)
118
Q

From which anterior rami is the brachial plexus formed?

A 
C5
C6
C7
C8
T1
119
Q

Which artery ramifies from the first part of the axillary artery?

A

Superior thoracic a.

120
Q

Which structures ramify from the second part of the axillary artery?

A
  • Thoracoacromial trunk (clavicular, pectoral, acroial, deltoid)
  • Lateral thoracic a.
121
Q

Which arteries ramify from the third part of the axillary artery?

A 
- Subscapular a. :
• Cicumflex scapular a.
• Thoracodorsal a.
- Anterior circumflex humeral a.
- Posterior circumflex humeral a.
122
Q

Name the veinous drainage of the arm. (6)

A
  • Axillary v.
  • Cephalic v.
  • Basilic v.
  • Median cubital v.
  • Mediain v. of forearm
  • Dorsal veinous arch
123
Q

What is the landmark for the divisions of the brachial plexus?

A

clavicle

124
Q

What form the roots of the brachial plexus?

A

Anterior rami of C5-T1

125
Q

What is the shape of the trunks of the brachial plexus?

A

Y-I-Y

126
Q

What is the order of divisions of the brachial plexus?

A 
A
P
A
P
P
A
127
Q

What is the 3 types of chords in the brachial plexus?

A

Lateral
Posterior (formed from all posterior divisions)
Medial

128
Q

What is the shape of the branches of the brachial plexus?

A

M

129
Q

What nerve will form the lateral chord of the brachial plexus?

A

Musculocutaneous n.

130
Q

What nerve will form the medial chord of the brachial plexus?

A

Ulnar n.

131
Q

What nerves will form the posterior chord of the brachial plexus? (2)

A
  • Axillary n.

- Radial n.

132
Q

What innervates the musculocutaneous n.? Name 3 muscles.

A

Anterior compartment of the arm

  • Coracobrachialis m.
  • Biceps brachii m.
  • Brachialis m.
133
Q

What innervates the ulnar n.? (2)

A
  • Anterior compartment of the forearm

- Hand (most intrinsic m.)

134
Q

What innervates the median n.? (2)

A
  • Anterior compartment of the forearm (KING)

- Hand (thumb, some intrinsic m.)

135
Q

What innervates the radial n.? (2)

A
  • Posterior compartment of the arm (triceps brachii m.)

- Posterior compartment of the forearm (extensor m.)

136
Q

What innervates the axillary n.? Name 2 muscles.

A

Lateral and posterior aspects of the shoulder

  • Teres minor m.
  • Deltoid m.
137
Q

A) From where the dorsal scapular n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 3 m. it innervates.

A

A) C5 root

B) Medial border of the scapula

C) - Levator scapulae m.

  • Rhomboid minor m.
  • Rhomboid major m.
138
Q

A) From where the long thoracic n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 1 m. it innervates.

A

A) C5-C7 roots

B) Lateral chest wall

C) Serratus anterior m.

139
Q

A) From where the n. to subclavius n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 1 m. it innervates.

A

A) C5-C6 trunks

B) Inferior to clavicle

C) Subclavius n.

140
Q

A) From where the supra scapular n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 2 m. it innervates.

A

A) C5-C6 trunks

B) Shoulder (superior and posterior)

C) - Supraspinatus m.
- Infraspinatus m.

141
Q

A) From where the lateral pectoral n. comes out in the brachial plexus?
B) Where does it appear?
C) Names 2 m. it innervates.

A

A) C5-C7 cords

B) Proximal to pectorals minor m.

C) - Pectoralis major m.
- Pectoralis minor m.

142
Q

A) From where the medial pectoral n. comes out in the brachial plexus?
B) Where does it appear?
C) Names 2 m. it innervates.

A

A) C8-T1 cords

B) Pierces pectoralis minor m. (more distal)

C) - Pectoralis major m.
- Pectoralis minor m.

143
Q

What is the landmark for the roots of the brachial plexus?

A

Scalene m.

144
Q

What is the landmark for the trunks of the brachial plexus?

A

1st rib

145
Q

What is the landmark for the cords of the brachial plexus?

A

Pectoralis minor m.

146
Q

A) From where the upper subscapular n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 1 m. it innervates.

A

A) C5-T1 cords

B) Subscapular region

C) Subscapularis m.

147
Q

A) From where the lower subscapular n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 2 m. it innervates.

A

A) C5-T1 cords

B) Subscapular region (more distal)

C) - Subscapularis m.
- Teres major m.

148
Q

A) From where the thoracodorsal n. comes out in the brachial plexus?
B) Which region it innervates?
C) Names 1 m. it innervates.

A

A) C5-T1 cords

B) Posterior wall of axilla

C) Latissimus dorsi m.

149
Q

What region does C6 dermatome innervates?

A

Thumb

150
Q

What region does C7 dermatome innervates?

A

Index and middle finger

151
Q

What region does C8 dermatome innervates?

A

Ring finger and pinky

152
Q

What kind of joint is the humeroradial joint?

A

Limited ball-in-socket (synovial)

153
Q

What kind go joint is the humeroulnar joint?

A

Hinge (synovial)

154
Q

Name of the membrane b/t ulnar and radius.

A

Interosseous membrane

155
Q

What kind of joint is the radioulnar joint?

A

Pivot (synovial)

156
Q

Which mouvement does the radioulnar joint permit?

A

Supination/pronation

157
Q

What joint does this ligaments work on?

  • Annular ligament of radius
  • Anterior radioulnar ligament
  • Posterior radioulnar ligament
  • Ulnar collateral ligament
  • Radial collateral ligament
A

Radioulnar joint

158
Q

What is the common flexor origin of the elbow?

A

Medial epicondyle of humerus

159
Q

Brachioradialis m.

A

Region : Anterior and lateral muscle of the forearm

Origine :
•Distal humerus

Insertion :
• Styloid process of radius

Innervation :
• Radial n.

Action : beer holder

160
Q

Name the 4 wrist flexors.

A
  • Pronator teres m.
  • Flexor carpi radialis m.
  • Parmaris longus m.
  • Flexor carpi ulnaris m.
161
Q

Pronator teres m.

A

Region : Anterior and lateral muscle of the forearm

Origine :
• Medial epicondyle of humerus
• Coronoid process

Insertion :
• Shaft of radius (lateral)

Innervation :
• Median n.

Action :
Pronation of forearm
Elbow flexion

162
Q

Supinator m.

A

Region : Posterior forearm

Origine :
• Olecranon
• Lateral epicondyle of humerus

Insertion :
• Shaft of radius (anterior)

Innervation :
• Deep branch of radial n.

Action : supination of forearm

163
Q

What are the borders of the cubital fossa? (superior, medial and lateral)

A

Superior : Imaginary line b/t the medial and lateral epicondyles

Medial : Pronator teres m.

Lateral : Brachioradialis m.

164
Q

What is the roof of the cubital fossa?

A

Bicipital aponeurosis

165
Q

What is the floor of the cubital fossa?

A
  • Brachialis m.

- Supinator m.

166
Q

What are the n. and a. in cubital fossa?

A
  • Radial n. (superficial branch and deep branch)
  • Brachial a. (ulnar a. and radial a.)
  • Median n.
167
Q

With which a. does the superior ulnar collateral a. form an anastomoses around the elbow?

A

Posterior ulnar recurrent a.

168
Q

With which a. does the inferior ulnar collateral a. form an anastomoses around the elbow?

A

Anterior ulnar recurrent a.

169
Q

With which a. does the middle collateral a. form an anastomoses around the elbow?

A

Recurrent interosseous a.

170
Q

With which a. does the radial collateral a. form an anastomoses around the elbow?

A

Radial recurrent a.

171
Q

How many cervical vertebrae?

A

7

172
Q

How many thoracic vertebrae?

A

12

173
Q

How many lumbar vertebrae?

A

5

174
Q

How many sacrum vertebrae?

A

5 (fused)

175
Q

How many coccyx vertebrae?

A

3-5 (fused)

176
Q

What are the spinal curvatures?

A

Cervical lordosis
Thoracic kyphosis
Lumbar lordosis
Sacral kyphosis

177
Q

What does excessive sitting and pregnancy provoque to the lumbar region?

A

anterior pelvic tilt

178
Q

What is the name of the joint b/t the atlas and the skull?

A

Atlanto-occipital joint

179
Q

What is the name of the joint b/t the atlas and the axis?

A

Atlanto-axial joint

180
Q

What is the name of the joint b/t uncinate processes?

A

Uncovertebral joint

181
Q

What is the name of the joint b/t vertebral bodies?

A

Intervertebral joint

182
Q

What is the name of the joint b/t articular processes?

A

Zygapophyseal joint

183
Q

What is the name of C1 vertebrae?

A

Atlas

184
Q

What is the name of C2 vertebrae?

A

Aix

185
Q

What are the 4 stages of herniation?

A
  1. Degeneration
  2. Prolapse
  3. Extrusion
  4. Sequestration
186
Q

In what plane are the zygopophyseal joints in the cervical region?

A

Transverse

187
Q

In what plane are the zygopophyseal joints in the thoracic region?

A

Frontal

188
Q

In what plane are the zygopophyseal joints in the lumbar region?

A

sagittal

189
Q

What is the content of the CNS? (2)

A
  • Brain

- Spinal cord

190
Q

What is the content of the PNS? (2)

A 
- Autonomic nervous system
• Involuntary control of viscera (organs)
• SNS (fight or flight)
• PSNS (rest and digest, feed and breed)
- Somatic nervous system
• Control of sensory and voluntary motor function
• Dermatome (skin)
• Myotome (muscle)
191
Q

Who am I?

An area/region of skin innervated by a single nerve

A

Dermatome

192
Q

Who am I?

An group of muscles innervated by a single nerve

A

Myotome

193
Q

What is the dermatome for the belly button?

A

T10

194
Q

Where does the spinal cord terminate?

A

L1-L2

195
Q

Where is the CSF?

A

Subarachnoid space

196
Q

What are the cervical spinal nerves name after?

A

Name for the inferior vertebra

ex : C1 nerve is ABOVE C1 vertebra

197
Q

What are the thoracic, lumbar, sacral and coccygeal nerves name after?

A

Name for the superior vertebrae

ex : T1 nerve is UNDER T1 vertebra

198
Q

What kind of signal does anterior roots and rootlets carry?

A

Motor

199
Q

What kind of signal does posterior roots and rootlets carry?

A

Sensory

200
Q

What kind of signal does anterior and posterior rami carry?

A

Sensory AND motor

201
Q

Where does the posterior ramus go?

A

m. of intrinsic back and skin of the back

202
Q

Where does the anterior ramus go?

A

other m. than intrinsic back and skin

203
Q

What is the name of the nerve b/t C7 vertebra and T1 vertebra?

A

C8

204
Q

Where is the head of the ulna? Proximal or distal?

A

Distal

205
Q

Where is the head of the radius? Proximal or distal?

A

Proximal

206
Q

Which is more lateral : radius or ulna?

A

Radius

207
Q

Where is the trochlear notch : radius or ulna?

A

Ulna

208
Q

Where is the dorsal tubercule : radius or ulna?

A

Radius

209
Q

What kind of specific joint is the humeroradial joint?

A

Limited ball-in-socket : design of a typical ball in socket joint acts as a hinge joint since the radius is locked by the ulna)

210
Q

What is the name of the membrane between the ulna and the radius?

A

Interosseous membrane

211
Q

What is the name of the most lateral ligament between the humerus and the ulna?

A

Ulnar collateral ligament

212
Q

What is the name of the most lateral ligament between the humerus and the radius?

A

Radial collateral ligament

213
Q

Which muscle attaches to the radial tuberosity?

A

Biceps brachii m.

214
Q

Which muscle attaches to the ulnar tuberosity?

A

Brachialis m.

215
Q

What is the common flexor origin?

A

Medial epicondyle of humerus

216
Q

What kind of joint is the intercarpal joints?

A

Synovial

Planar

217
Q

Name the 8 hand bones.

A 
Scaphoid
Lunate
Triquetrum
Pisiform
Hamate
Capitate
Trapezoid
Trapezium
218
Q

What is the name of the structure between the ulna and the hand bones (ulnocarpal joint)?

A

Triangular fibrocartilage disc

219
Q

What structure the thumb does not have compared to the other fingers?

A

Median phalanx

220
Q

What kind (classification and type) of joint is the wrist joint?

A

Classification : synovial

Type : Condyloid

221
Q

What is the name of the ligaments between the 8 small bone of the hand?

A

Intercarpal ligaments

222
Q

What is the name of the ligament b/t the radius and the hand?
What mouvement does it limit?

A

Radial carpal collateral ligaments

Limits ulnar deviation

223
Q

What is the name of the ligament b/t the ulna and the hand?

What mouvement does it limit?

A

Ulnar carpal collateral

Limits radial deviation

224
Q

What are the 2 types of interphalangeal joints?

A

Proximal and distal

225
Q

What kind of joint is the interphalangeal joints?

A

Synovial

Hinge

226
Q

What is the name of the ligaments that controls the interphalangeal joints?

A

Collateral ligaments

227
Q

What is the name of the ligaments that controls the matacarpophalangeal joints?

A

Collateral ligaments

228
Q

What kind of joint is the matacarpophalangeal joints?

A

Synovial

Condyloid

229
Q

What kind of joint is the carpometacarpal joints #1 (thumb)?

A

synovial

saddle

230
Q

What kind of joint is the carpometacarpal joints #2-5 (digits 2-5)?

A

synovial

condyloid

231
Q

What movements are allowed by the anterior compartment of the forearm?
What innervates this compartment?

A

Actions :
Flexion
Pronation

Innervation :
Ulnar n.
Median n.

232
Q

What movements are allowed by the posterior compartment of the forearm?
What innervates this compartment?

A

Actions :
Extension
Supination

Innervation:
Radial n. (deep branch)

233
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Flexor carpi radialis m.

A

Region : Anterior compartment of forearm

Groupe : Superficial layer

Origin : Medial epicondyle of humerus

Insertion : Base of 2nd metacarpal

Innervation : Median n.

Actions :
Limited radial deviation
Wrist flexion

234
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Flexor carpi ulnaris m.

A

Region : Anterior compartment of forearm

Groupe : Superficial layer

Origin :
Medial epicondyle of humerus
Olecranon

Insertion :
Base of 5th metacarpal
Hook of hamate
Pisiform

Innervation : Ulnar n.

Actions :
Ulnar deviation
Wrist flexion

235
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Palmaris longus m.

A

Region : Anterior compartment of forearm

Groupe : Superficial layer

Origin :
Medial epicondyle of humerus

Insertion : Palmaris aponeurosis

Innervation : Median n.

Actions : Tenses palmar aponeurosis

236
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Digitorum superficialis m.

A

Region : Anterior compartment of forearm

Groupe : Intermediate layer

Origin :
Medial epicondyle of humerus
Proximal 1/2 of anterior radius

Insertion : Sides of middle phalanges of digits 2-5 (splits like snake’s tongue)

Innervation : Median n.

Actions :
Flexion @ metacarpophalangial joint
Flexion @ wrist

237
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Flexor digitorum profundus m.

A

Region : Anterior compartment of forearm

Groupe : Deep layer

Origin :
Proximal 2/3 of anterior ulna
Interosseus membrane

Insertion : Distal phalanges of digits 2-5

Innervation :
Median n. (1/2)
Ulnar n. (1/2)

Actions :
Flexion @ fingertips (only)

238
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Flexor pollicis longus m.

A

Region : Anterior compartment of forearm

Groupe : Deep layer

Origin :
Anterior radius (middle)
Interosseous membrane

Insertion : Distal phalanx of thumb

Innervation :
Anterior interosseous n. (from median)

Actions :
Flexion @ thumb (only)

239
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Pronator quadratus m.

A

Region : Anterior compartment of forearm

Groupe : Deep layer

Origin : Distal 1/4 of anterior ulna

Insertion : Distal 1/4 of anterior radius

Innervation :
Anterior interosseous n. (from median)

Actions :
Pronation of forearm

240
Q

What is the name of the structure that covers the carpal tunnel?

A

Flexor retinaculum

241
Q

What are the 10 elements in the carpal tunnel?

A
  • Median n.
  • 4 tendons of digitorum profondus m.
  • 4 tendons of digitorum sperficialis m.
  • Tendon of flexor policis longus m.
242
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Anconeus m.

A

Region : Posterior compartment of the forearm

Group : Superficial layer

Origin : Lateral epicondyle of humerus

Insertion :

  • Olecranon
  • Proximal ulna (posterior)

Innervation : Radial n.

Mvt : Extension of elbow

243
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor carpi radialis longus m.

A

Region : Posterior compartment of the forearm

Group : Superficial layer

Origin : Lateral supracondylar ridge

Insertion : Base of the 2nd metacarpal

Innervation : Radial n.

Mvt :

  • Radial deviation
  • Extension at the wrist
244
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor carpi radialis brevis m.

A

Region : Posterior compartment of the forearm

Group : Superficial layer

Origin : Lateral epicondyle of humerus

Insertion : Base of the 3rd metacarpal

Innervation : Deep branch of radial n.

Mvt :

  • Radial deviation
  • Extension at the wrist
245
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor carpi ulnaris m.

A

Region : Posterior compartment of the forearm

Group : Superficial layer

Origin :

  • Lateral epicondyle of humerus
  • Proximal ulna (posterior)

Insertion : Base of the 5th metacarpal

Innervation : Posterior interosseous n. (radial)

Mvt :

  • Ulnar deviation
  • Extension @ wrist
246
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor digitorum m.

A

Region : Posterior compartment of the forearm

Group : Superficial layer

Origin : Lateral epicondyle of humerus

Insertion : Extensor expansions of digits 2-5

Innervation : Posterior interosseous n. (radial)

Mvt : Extension of digits 2-5

247
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor digiti minimi m.

A

Region : Posterior compartment of the forearm

Group : Superficial layer

Origin : Lateral epicondyle of humerus

Insertion : Extensor expansion of digit 5

Innervation : Posterior interosseous n. (radial)

Mvt : Extension of 5th digit

248
Q

Why is it difficult to extension only the ring finger?

A

Because only finger that does not have an extensor just for him

249
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor pollicis longus m.

A

Region : Posterior compartment of the forearm

Group : Deep layer

Origin :

  • Middle 1/3 of ulna (posterior)
  • Interosseous membrane

Insertion : Base of 1st distal phalanx

Innervation : Posterior interosseous n. (radial)

Mvt : Total extension of the thumb (not just a thumbs up)

250
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor pollicis brevis m.

A

Region : Posterior compartment of the forearm

Group : Deep layer

Origin :

  • Distal radius (posterior)
  • Interosseous membrane

Insertion :
Base of 1st proximal phalanx (1st phalanx of thumb)

Innervation : Posterior interosseous n. (radial)

Mvt : Total extension of the thumb (not just a thumbs up)

251
Q 
Region
Group
Origin
Insertion
Innervation
Actions

ABD pollicis longus m.

A

Region : Posterior compartment of the forearm

Group : Deep layer

Origin :

  • Posterior surface of ulna
  • Posterior surface of radius
  • Interosseous membrane

Insertion : Base of 1st metacarpal

Innervation : Posterior interosseous n. (radial)

Mvt : ABD of thumb

252
Q 
Region
Group
Origin
Insertion
Innervation
Actions

Extensor indices m.

A

Region : Posterior compartment of the forearm

Group : Deep layer

Origin :

  • Posterior surface of ulnar
  • Interosseous membrane

Insertion : Extensor expansion of 2nd digit

Innervation : Posterior interosseous n. (radial)

253
Q

What is the name of the fascia on the tendons of the extensor muscles?

A

Extensor retinaculum

254
Q

What is the anatomical ‘snuff box’?

A

Tendons of ABD polices longus and extensor pollicis longus with tendon of extensor pollicis brevis makes a ‘hole’ at the base of dorsal view of hand

255
Q

Which neurovascular structure pass through the anatomical snuff box?

A

Radial a.

256
Q

Who is the travel buddy of the ulnar n. in the forearm?

A

Ulnar a.

257
Q

Under which muscle passes the superficial branch of radial n.?

A

Brachioradialis m.

258
Q

Who is the travel buddy of the posterior interosseous n.?

A

Posterior interosseous a.

259
Q

Myotomes for neck flexion and extension?

A

C1-C2

260
Q

Myotomes for neck lateral flexion?

A

C3

261
Q

Myotomes for shoulder elevation?

A

C4

262
Q

Myotomes for shoulder flexion, ABD, lateral rotation?

A

C5

263
Q

Myotomes for shoulder extension, ADD, medial rotation?

A

C6-C7-C8

264
Q

Myotomes for elbow flexion?

A

C5-C6

265
Q

Myotomes for elbow extension?

A

C7-C8

266
Q

Myotomes for forearm supination?

A

C5-C6

267
Q

Myotomes for forearm pronation?

A

C7-C8

268
Q

Myotomes for wrist flexion and extension?

A

C6-C7

269
Q

Myotomes for finger flexion and thumb extension?

A

C7

270
Q

Myotomes for finger extension?

A

C8

271
Q

Myotomes for finger ABD and ADD?

A

T1

Musculoskeletal Anatomy (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions