Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ANAT100 Test #2 > Test2 > Flashcards

Test2 Flashcards

1
Q

Which 5 muscles are included w/in the extrinsic superficial group?

A

Trapezius
Latissimus dorsi
Levator scapulae
Rhomboid minor & major

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

Which muscles are included w/in the extrinsic intermediate group?

A
  • Serratus posterior superior

- Serratus posterior inferior

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

How many muscle groups are w/in the intrinsic layer?

A

3 groups

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

Which muscles are found w/in the superficial intrinsic group?

A
  • splenius cervicis

- splenius capitis

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

Which muscles are found w/in intermediate intrinsic group?

A
  • iliocostalis (lateral)
  • longissimus (intermediate)
  • spinalis (medial)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which muscles are found w/in the deep intrinsic group?

A
  • semipinalis
  • Multifidi
  • rotatores
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which muscle originates on the SPs of T6-T12, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs?

A

Latissimus dorsi

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

List the erector spinae from medial to lateral?

A
  • spinalis
  • longissimus
  • iliocostalis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which muscle group is made up of 12 pairs of muscles that attach to TVPs & ribs?

A

Levator costorum group

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

Which muscle originates on the SPs of T2-T5 and inserts onto the medial border of the scapula, from the spine of scap to inferior angle?

A

Rhomboid major

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

What joint structure prevents soft tissue from rubbing against bone?

A

Bursae

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

Which type of level always operates at a mechanical advantage

A

Power level

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

What is the basis of the structural classifications joints?

A
  • Fibrous
  • Cartilaginous
  • Synovial
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which type of lever has the fulcrum between the effort and load?

A

1st class lever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which term describes a joint that is slightly moveable?

A

Amphiarthroses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe the appearance of smooth muscle cells

A
  • Spindle shaped
  • Short
  • Involuntary
  • Contraction constricts lumen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which muscle fibre arrangements allows for the greatest degree of movement?

A

Parallel

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

When the trapezius helps stabilize the scapula during shoulder abduction, which role is it performing?

A

Scapular retraction

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

Which term is synonymous which zygapophyseal joint?

A

Facet joint

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

What are the two types of synovial joints the scapula forms with other bones?

A
  • Ball & socket joint

- Saddle joint

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

Epimysium?

A

Outside of the muscle

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

Endoneurium?

A

Inside nerve

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

Interconnected?

A

Covering something, giving it a big hug

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

Scapular muscles (2)

A

Teres minor

Teres major

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Supraspinatus origin
Supraspinous fossa
26
Supraspinatus insertion
Greater tubercle of humerus (superior facet)
27
Supraspinatus action
Initial 15degrees of abduction of the humerus
28
Supraspinatus innervation
Suprascapular n
29
Infraspinatus origin
Infraspinous fossa
30
Infraspinatus insertion
Greater tubercle of humerus (middle facet)
31
Infraspinatus action
Lateral (external) rotation of humerus
32
Infraspinatus innervation
Suprascapular n
33
Teres minor origin
Middle of lateral border of scapula
34
Teres minor insertion
Greater tubercle of humerus (inferior facet)
35
Teres minor action
Lateral rotation of humerus
36
Teres minor innervation
Axillary n
37
Subscapularis origin
Subscapular fossa
38
Subscapularis insertion
Lesser tubercle of the humerus
39
Subscapularis action
Adducts & medically rotates humerus
40
Subscapularis innervation
Upper & lower subscapular nn
41
Teres major origin
Inferior angle of the scapula (dorsal surface)
42
Teres major insertion
Medial lip of nico pitas groove of humerus
43
Teres major action
Adducts & medially rotates humerus
44
Teres major innervation
Lower subscapular n
45
Deltoid origin
Lateral 1/3 of clavicle, acromion, spine of scapula
46
Deltoid insertion
Deltoid tuberosity of humerus
47
Deltoid action (anterior part)
Flexes & medially rotates humerus
48
Deltoid action (middle part)
Abducts humerus
49
Deltoid action (posterior part)
Extends & laterally rotates humerus
50
Deltoid action #2
Stabilize GH joint
51
Deltoid innervation
Axillary n
52
4 T’s of palpating & then some
``` Tone Temperature Texture Tenderness Location Size Shape ```
53
Pectoralis major origin (clavicles head)
Anterior surface of medial 1/2 of clavicle
54
Pectoralis Major origin (sternal head)
Anterior surface of sternum
55
Pectoralis major origin (costal head)
Costal cartilage 1-6, aponeurosis of external oblique muscle
56
Pectoralis major action (all 3 heads)
Medially rotate & adduct humerus
57
Pectoralis major action (clavicular head)
Flexion of GH joint
58
Pectoralis major action (sternal & costal heads)
Extend humerus at GH joint from a flexed position
59
Pectoralis major innervation
Lateral & medially pectoral nn
60
Pectoralis minor origin
Costal cartilage 3-5 (anteromedial surface)
61
Pectoralis minor insertion
Medial & superior aspect of coracoid process of scapula
62
Pectoralis minor action
Protects & stabilizes scapula & | W/scapula fixed, draws rib cage up
63
Pectoralis minor innervation
Medial pectoral n
64
Subclavius origin
Junction of 1st rib & its costal cartilage
65
Subclavius insertion
Inferior middle of 1/3 clavicle
66
Subclavius action
Stabilize & depresses clavicle
67
Subclavius innervation
N to subclavius
68
Serratus anterior origin
External surface of ribs 1-8 (or 9)
69
Serratus anterior insertion
Anterior surface of medial border of scapula
70
Serratus anterior action
Protracts the scapula & holds it against the thoracic wall & Rotates scapula superiorly
71
Serratus anterior innervation
Long thoracic n
72
What do muscle do to produce movement?
Shorten along the muscles long axis
73
What info about a muscle do we need in order to determine its action?
Bony attachments & fibre direction
74
Which attachment of a mm moves?
Typically the insertion moves closer to the origin, shortening the muscle & causing the movement
75
Why is muscle fibre direction important to the movement?
Fibre direction determines the direction of pull of the muscle, and therefore the movement the muscle creates
76
Trapezius origin
Medial 1/3 superior nuchal line; inion; ligamentum nuchae; c7-t12 SPs
77
Trapezius insertion (inferior)
Lateral 1/3 clavicle, acromion & spine of scapula
78
Trapezius action (superior)
Elevates scapula
79
Trapezius action (middle)
Retracts scapula
80
Trapezius action (inferior)
Depress scapula
81
Trapezius action (superior & inferior)
Superior rotation of scapula
82
Trapezius action (bilateral & unilateral)
Bilateral: with scapula fixed, extend head Unilateral: lateral flexion of neck
83
Trapezius innervation
CN (cranial neck) XI; C2, C3
84
Latissimus dorsi origin (medial)
T6-T12 SPs; thoracolumbar fascia; iliac crest; inferior 3 or 4 ribs
85
Trapezius insertion (lateral)
Floor of intertubercular groove of humerus
86
Trapezius action
Extends, adducts & medially rotates humerus & | Raises body toward arms during climbing
87
Trapezius innervation
Thoracodorsal n
88
Levator scapulae origin (superior)
Posterior tubercle of C1-C4 TVPs
89
Levator scapulae insertion (inferior)
Superior angle of scapula
90
Levator scapulae action
``` Elevate scapula Rotate glen pod cavity inferiorly Flex & ipsilaterally rotate neck Bilaterally extend neck Scapula retraction ```
91
Levator scapulae innervation
Dorsal scapular n
92
Rhomboid minor & major actions
Retract scapula Rotate glenoid cavity inferiorly Fxn scapula to thoracic wall
93
Rhomboid minor & major innervation
Dorsal scapular n
94
Rhomboid minor origin (medial)
Nuchal ligament; C7-T1 SPs
95
Rhomboid minor insertion (lateral)
Medial border of scapula at the spine
96
Rhomboid major origin (medial)
T12-T5 SPs
97
Rhomboid major insertion (lateral)
Medial border of scapula from spine to inferior angle
98
Serratus posterior superior origin (medial)
Nuchal ligaments & SPs of C7-T3
99
Serratus posterior superior insertion (lateral)
Superior surface ribs 2-4
100
Serratus posterior superior actions
``` Rib elevation (unconfirmed) Proprioception ```
101
Serratus posterior superior innervation
Intercostal nerves 2-5
102
Serratus posterior inferior origin (medial)
T11 to L2 SPs
103
Serratus posterior inferior insertion (lateral)
Inferior surface ribs 8-12
104
Serratus posterior inferior actions
``` Ribs depression (unconfirmed) Proprioception ```
105
Serratus posterior inferior innervation
Ventral rami T9-T12 spinal nn
106
Splenius capitis origin (inferior)
Inferior 1/2 nuchal ligaments & C7-T4 SPs
107
Splenius capitis insertion (superior)
Mastoid process of temporal bone; lateral 1/2 superior nuchal line
108
Splenius capitis action
(U) lateral flexion & ipsilateral rotation of head & neck | (B) head & neck extension
109
Splenius cervicis origin (inferior)
SPs T3-T6
110
Splenius capitis insertion (superior)
TVPs C1-C4
111
Splenius capitis action
(U) lateral flexion & ipsilateral rotation of neck | (B) neck extension
112
Erector spinae- spinalis insertion
Upper thoracic SPs; skull
113
Erector spinae-spinalis action
(U) lateral flexion of vertebral column & head; control movement via eccentric contraction
114
Longissimus insertion
Ribs between tubercles & angles; thoracic & cervical TVPs; mastoid process
115
Longissimus action
(U) lateral flexion of vertebral column & head | (B) extension of vertebral column & head; control movement via eccentric contraction
116
Iliocostalis insertion
Angles of lower ribs & cerical TVPs
117
Iliocostalis action
(U) lateral flexion of vertebral column | (B) extension of vertebral column; control movement via eccentric contraction
118
Semispinalis origin
TVPs C4-T12
119
Semispinalis insertion
Cervicis: SPs of thoracic & cervical vertebrae (scanning 4-6 segments) Capitis: occiput
120
Semispinalis action
Stabilize vertebrae (B); extend head & cervical & thoracic vertebral column (U) contra lateral rotation of head & cervical & thoracic vertebral column
121
Multifidus origin
Posterior sacrum; PSIS; erector spinae aponenurosis; SI ligaments; lateral lumbar vertebrae; TVPs of T1-T3; articular processes of C4-C7
122
Multifidus insertion
SPs of vertebrae 2-4 segments above
123
Multifidus actions
Stabilize vertebrae during local movements of vertebral column (B) extension of vertebral column (U) lateral flexion; contralateral rotation of vertebral column
124
Rotatores origin
TVPs of vertebrae
125
Rotatores insertion
SPs of vertebrae 1-2 segments above
126
Rotatores actions
Stabilize vertebrae (B) vertebral extension (U) lateral flexion; contralateral rotation of vertebral column
127
Rectus capitis posterior major origin
SP of C2
128
Rectus capitis posterior major insertion
Lateral inferiors nuchal line
129
Rectus capitis posterior major actions
Unilateral: ispisilateral rotation of head & neck Bilateral: head extension
130
Rectus capitis posterior minor origin
Tubercle on posterior arch of C1
131
Rectus capitis posterior minor insertion
Lateral inferior nuchal line
132
Rectus capitis posterior minor action
Unilateral: ispisilateral rotation of head & neck Bilateral: head extension
133
Obliquus capitis superior origin
TVP of C1
134
Onliquus capitis superior insertion
Lateral aspect of occiput b/w nuchal lines
135
Obliquus capitis superior action
Bilateral: head extension
136
Obliquus capitis inferior origin
SP of C2
137
Obliquus capitis inferior insertion
TVPs of C1
138
Obliquus capitis inferior action
Unilateral: ipsilateral rotation of atlantoaxial joint (C1-C2)
139
Sternocleidomostoid origin
Sternal: manubrium lateral to jugular notch Clavicular: superior aspect of medial 1/3 of clavicle
140
Sternocleidomastiod insertion (both heads)
Lateral aspect of mastoid process & lateral 1/2 superior nuchal line
141
Sternocleidomastiod action
Unilateral: lateral flexion & contralateral rotation of the CS Bilateral: flexion of CS (head & neck): thrusting chin forward
142
Anterior scalene origin
TVPs of C3-C6
143
Anterior scalene insertion
1st rib (scalene tubercle)
144
Middle scalene origin
TVPs of C2-C7
145
Middle scalene insertion
1st rib
146
Posterior scalene origin
TVPs of C4-C6
147
Posterior scalene insertion
2nd rib
148
Anterior scalene action
(U) lateral flexion of neck (B) flexion of neck Accessory muscle of inspiration by elevation of 1st ribs
149
Posterior scalene action
(U) lateral flexion of neck (B) flexion of neck Accessory muscle of inspiration by elevation of 1st & 2nd ribs
150
Platysma origin
Subcutaneous tissue of infraclavicular & supraclavicular regions
151
Name 4 suprahyoid muscles
Mylohyoid Geniohyoid Styohyoid Digastric
152
What is the general action of the suprahyoid muscle?
Elevates the hyoid bone, brings mandible & hyoid closer to one another
153
Name the 4 infahyoid muscles?
Sternohyoid Sternothyroid Thyrohyoid Omohyoid
154
What is the general action of the infrahyoid muscle?
Depresses the hyoid bone
155
Name the 4 muscles in the anterior pectoral region that act on the scapula & upper limb?
Pectoralis major Pectoralis minor Serratus anterior Subclavius
156
6 scapular muscles act on shoulder
``` Supraspinatus Infraspinatus Teres major Teres minor Deltoid Subscapularis ```
157
4 rotator cuff muscles
Supraspinatus Infraspinatus Teres minor Subscapularis
158
Muscle types & functions
Smooth muscle: movement of substances Cardiac muscle: blood circulation ``` Skeletal muscle: Movement Maintaining posture Stabilizing joints Generating heat ```
159
Skeletal appearance
Long Cylindrical Voluntary Contract along their long axis
160
Cardiac appearance
Short Branched Involuntary Contraction in various directions
161
Common muscle arrangements
Parallel Pennate Convergent Circular
162
Functional classification
Agonists: muscles that provide major force for a specific movement Antagonists: muscles that oppose/reverse specific movement Synergists: promote same movement Fixators: immobilize a bone or muscle
163
The body 3 visible layers
Epidermis (superficial) Dermis (intermediate) Subcutaneous (deep)
164
Types of synovial joints (6)
``` Plane joint Ball & socket joint Hinge joint Saddle joint Pivot joints condyloid joint ```
165
Power level
Operates at a mechanical advantage
166
Speed level
Operates at a mechanical disadvantage
167
1st class lever
Fulcrum in the middle & effort, load at each end & | operates at mechanical advantage
168
2nd class lever
Load in between & effort, fulcrum at ends | Operates at mechanical advantage
169
Third class lever
Effort between load & fulcrum | Operates at mechanical disadvantage
170
Structural classification based on type of tissue that holds joint together (3)
Fibrous Cartilaginous Synovial
171
Functional classifications based on amount of movement possible at a joint (3)
Synarthroses Amphiarthroses Diarthroses
172
3 classes of fibrous joints
Suture joints Syndrsmosis Gomohosis
173
Cartilaginous joints 2 types
Synchondrosis | Symphysis

ANAT100 Test #2 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions