Brainscape's Knowledge GenomeTM

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


See full index

MSK Exam 1 > Back Myology > Flashcards

Back Myology Flashcards

1
Q

Trapezius M. Origin and insertion

A

Spinous process of C7 to C12, ligamentum Nuchae, External Occipital Protuberance and Medial 1/3 of Superior Nuchal line of Occipital B.

Lateral 1/3 of the clavicle, acromion and scapular spine

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

Trapezius Action

A

Whole muscle (Rotate point of the Glenoid Cavity
superiorly, Retract the Scapula), Upper fibers (Elevate Scapula),
Lower fibers (Depress Scapula) With the Scapula fixed the
Upper fibers will Extend the Neck working bilaterally, Laterally
Flex the Neck and Rotate the Face away when working
unilaterally

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

Trapezius M Innervation

A

Motor: Spinal Accessory N. CN XI
Sensory: C3, C4

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

Latisimus Dorsi M. origin and Insertion

A

Spinous processes of T6-T12, ribs 9-12, iliac crest and Spinous Processes of L1-L5 and median sacral Crest via Thoracolumbar Fascia

Floor of the Humeral Intertubercular Groove

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

Latissimous Dorsi M. Action

A

Extend, Adduct and medially rotate the Humerus, rotate the Lenoid Cavity inferiorly

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

Latissimus Dorsi Innervation

A

Thoracodorsal Nerve (C6-C8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Rhomboid Major m Orgin and insertion

A

Spinous process of T2 to T5

Medial border of the scapula (inferior to scapular spine)

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

Rhomboid Major m action

A

Retract and elevate the scapula and rotate the glenoid cavity inferiorly

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

Rhomboid Major M. Innervation

A

Dorsal Scapular N (C4,5)

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

Rhomboid Minor M Orgin and insertion

A

Spinous process of C7 and T1, lower part of the ligamentum Nuchae

Medial Border of the scapula (at scapular spine)

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

Rhomboid Minor M. Action

A

Retract and elevate the scapula and rotate the glenoid cavity inferiorly

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

Rhomboid Minor M Innervation

A

Dorsal Scapular N. (C4, C5)

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

Levator Scapulae M. Orgin and Insertion

A

Posterior tubercles of the Transverse process C1-C4

Medial border of the scapula (superior to scapular spine)

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

Levator scapulae M Action

A

Elevate the scapula and rotate the glenoid cavity inferiorly and when the scapula is fixed Extend and laterally flex the neck

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

Levator Scapule m. Innervation

A

Dorsal Scapular N (C3, 4, and 5)

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

Serratus Posterior Superior M. Orgin and Insertion

A

Nuchal L, and spinous processes C7-T3

Superior surfaces of the ribs 2-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Serratus Posterior Superior M Action

A

Elevate the ribs with forced inspiration (Primarily proprioception)

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

Serratus Posterior Superior M Innervation

A

Intercostal N (2-5)

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

Serratus Posterior Inferior M. orgin and insertion

A

Spinous processes T11-L2

Inferior Surface of Ribs 8-12

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

Serratus Posterior Inferior actions

A

Depress ribs with forced expiration (primarily proprioceptive

21
Q

Serratus Posterior inferior innervation

A

Anterior Rami T9-T12

22
Q

Splenius Capitis M. Origin and Insertion

A

lower 1/2 Nuchal L. Spinous process C7-T3

Mastoid process of the Temporal B, Lateral 1/3 Superior Nuchal Line of the Occipital B.

23
Q

Splenius Capitis M Action

A

Etend the neck when working Bilaterally

laterally flex
the Neck and rotate face toward when working unilateral

24
Q

Splenius Capitis M Innervation

A

Posterior Rami C3-C5

25
Q

Splenius Cervicis M origin and innsertion

A

Spinous processes T3-T6

Tranversous Processes C1-3(4)

26
Q

Splenius Cervicis M Action

A

Extend the neck when working bilaterally and Laterally flex the neck and rotate face toward muscle when working unilaterally

27
Q

Splenius Cervicis M Innervation

A

Poster Rami C5-C7

28
Q

Erector Spinae Group innervation

A

Segmentally innervated by posterior Rami of the spinal nerves

29
Q

Erector Spinae Group Actions

A

Maintain erect posture and extend the Vertebral column and head when working Bilaterally and laterally flex the Vertebral column when working unilaterally

30
Q

Illiocostalis muscle groups

A

Illiocostalis Lumborum
Illiocostalis Thoracis
Illiocostalis Cervicis

Travel from Costal Angles of Ribs

31
Q

Longissimus Muscle Groups

A

Longissimus Thoracis M
Longissimus Cervicis M
Longissimus Capitis M

Travel via the transverse and Articular processes

32
Q

Spinialis Muscle groups

A

Spinialis Thoracis M
Spinialis Cervicis M
Spinialis Capitis M

Travel between Spinous processes

33
Q

Back Sprain

A

injury to the ligamentous attachments between bone usually due to inadequate stretching before activity

34
Q

Back Strain

A

Excessive stretching and sometimes tearing of muscle fibers produced by an overly strong muscle contraction

35
Q

Semispinalis muscle group description and innervation

A 
Layer 6 Transversospinalis Group
Extends 5 or more spinal segments
Semispinalis Thoracis M
Semispinalis Cervicis M
Semispinalis Capitis M

Innervated by Posterior Rami

36
Q

Semispinalis Capitis M action

A

Extend head and rotate the face away

37
Q

Multifidius M

A

Extends 3 or 4 spinal segments
O: Mamillary processes of Lumbar Vertebrae, Transverse
Processes of Thoracic Vertebrae and Articular Processes of C4-7
I: Spinous processes three numeric segments superior,
does not insert onto the Atlas

Extend spine and rotate the spine away

Inn: Posterior Rami

38
Q

Rotatores Longus M.

A

Extends 2 spinal segments
O: Transverse process
I: Roots of spinous process 2 numeric segments superior

Extend spine and rotate the spine away

Inn: Posterior Rami

39
Q

Rotatores Brevis M

A

Extending to adjacent spinal Segment
Transverse process
to roots of spinous process 1 numeric segment away

Primarily proprioceptive
Posterior Rami

40
Q

Interspinalis M

A

O: Spinous process
I: Adjacent Spinous process
A: Extend Spine
N: Posterior Rami

41
Q

Intertransversarii M

A 
O: Transverse process
I: Adjacent transverse process
A: Laterally Flex spine
N: Posterior portion (Posterior Rami), Anterior portion
(Anterior Rami)
42
Q

Levator Costarum Longus M

A

O: Transverse Processes C7-T11
I: 2nd rib inferior to origin
A: Elevate ribs
N: Posterior Rami

43
Q

Levator Costarum Brevis M

A

O: Transverse Processes C7-T11
I: Adjacent rib inferior to origin
A: Elevate ribs
N: Posterior Rami

44
Q

Rectus Capitis Posterior Major M

A

Medial border of the suboccipital triangle

O: Spinous Process C2
I: Lateral portion Inferior Nuchal Line
A: Extend Head, Rotate Face toward
N: Suboccipital N

45
Q

rectus Capitis posterior Minor M

A

O: Posterior tubercle C1
I: Below Inferior Nuchal Line
A: Extend Head
N: Suboccipital N.

46
Q

Obliquus Capitis Inferior M

A

Inferior Border of the Suboccipital Triangle

O: Spinous Process C2
I: Transverse process C1
A: Rotate the Face toward
N: Suboccipital N.

47
Q

Obliquus Capitis Superior M

A

Lateral Border of the Suboccipital triangle
O: Transverse process C1
I: Between Superior and Inferior Nuchal Lines
A: Extend and Laterally Flex Head
N: Suboccipital N.

48
Q

What is in the middle of the Suboccipital triangle

A

Traveling through the floor of the suboccipital triangle is the Vertebral A and the suboccipital N which is C1 cervical spinal N

MSK Exam 1 (26 decks)

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