Brainscape's Knowledge GenomeTM

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


See full index

AA Exam 5 (Final) > Superficial back muscles > Flashcards

Superficial back muscles Flashcards

1
Q

Trapezius ascending part action?

A

draws scapula medially downward

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

Trapezius transverse part action?

A

draws scapula medially

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

Trapezius descending part action?

A
  • scapula obliquely upward
  • rotates glenoid cavity superiority
  • tilts head to same side
  • rotates it to opposite
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Trapezius ascending part innervation?

Trapezius transverse part innervation?

Trapezius descending part innervation?

A

spinal accessory for all 3

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

Levator scapulae action?

A
  • scapula medially upward
  • inferior angle medially
  • inclines neck to same side
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Levator scapulae innervation?

A

dorsal scapular

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

Rhomboid major and minor action? Nerve?

A
  • steadies scapula
  • draws scapula medially upward
  • dorsal scapular nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Latissimus dorsi action? Nerve?

A
  • internal rotation
  • adduction
  • extension
  • respiration (“cough muscle”)
  • Thoracodorsal nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Teres major action? Nerve?

A
  • internal rotation
  • adduction
  • extension
  • Lower subscapular nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the three types of interactions between latissimus dorsi and the inferior angle of the scapula?

A
  • Type 1: Direct Attachment (muscular slips are anchored directly onto the inferior angle of the scapula.
  • Type 2a: Indirect Attachment (few muscle fibers with a soft, fibrous link between the two (fascia))
  • Type 2b: No Attachment (a bursa and no connective tissue between the two. 21% of the population had no attachment at all)

The majority of people (79%) had either a Type 1 (direct, 43%) or Type 2a (indirect, 36%)

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

Thoracodorsal nerve is off of what cord?

A

the posterior cord (UTLRA)

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

Lower subscapular nerve is off of what cord and what muscle?

A

posterior cord subscapular muscle

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

Shoulder girdle elevators:

A
  • Rhomboid major
  • Rhomboid minor
  • Levator scapulae Trapezius (superior part)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Shoulder girdle depressors:

A
  • Trapezius (inferior part)
  • Pectoralis minor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Shoulder girdle superior rotators:

A
  • Serratus anterior
  • Trapezius (superior part)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Shoulder girdle inferior rotators:

A
  • Rhomboid major
  • Rhomboid minor
  • Levator scapulae
17
Q
  • Deltoid action anterior head?
  • Deltoid action posterior head?
  • Nerve?
A
  • Anterior
    • shoulder flexion
    • horizontal abduction
    • Internal Rotation
  • Posterior
    • Shoulder extension
    • horizontal adduction
    • external rotation
  • Axillary Nerve
18
Q

Quadrangular space boundaries?

Quadrangular space nerve?

A
  • Teres major
  • Teres minor
  • Triceps brachii
  • Humerus
  • Axillary Nerve
19
Q

Pectoralis major action? Nerve

A
  • Flexion
  • Respiration
  • Medial and Lateral pectoral nerve
20
Q

Pectoralis minor action? Nerve?

A
  • draws scapula downward
  • rotates glenoid inferiorly
  • respiration
  • medial pectoral nerve
21
Q

Coracobrachialis action? Nerve?

A
  • shoulder flexion
  • adduction
  • musculocutaneous nerve
22
Q

Subclavius action? Nerve?

A
  • steadies clavicle
  • nerve to subclavius
23
Q

Serratus anterior

  • Superior action?
  • Intermediate action?
  • Inferior action?
  • Nerve?
A
  • superior
    • ​medial rotation of scapula
  • intermediate
    • ​protracts scapula
    • elevates ribs when shoulder is fixed
  • inferior
    • ​rotates scapula laterally (assisting lower trapezius)
  • long thoracic nerve
24
Q

Supraspinatus action? Nerve?

A
  • shoulder abduction (instrumental for the “setting phase”)
  • suprascapular nerve
25
Q

Infraspinatus action? Nerve?

A
  • External rotation
  • suprascapular nerve
26
Q

Teres minor action? Nerve?

A
  • External rotation
  • axillary nerve
27
Q

Subscapularis action? Nerve?

A
  • IR of shoulder
  • upper and lower subscapular
28
Q
  • What is the 5th rotator cuff muscle?
  • What does it do?
A
  • Biceps brachii
  • The tendon of its long head prevents superior migration.
29
Q

Tendon of the long head of the biceps tendon articulation?

A

intra-articular but extra-synovial

30
Q

Biceps brachii action? Nerve?

A
  • elbow flexion
  • supination
  • shoulder flexion
  • stabilizer of humeral head during deltoid contraction
  • physical block to superior and anterior GH translation
  • internal rotation
  • abduction of humerus
  • assist the rotator cuff in creating GH joint compression
  • musculocutaneous nerve
31
Q

Brachialis action? Nerve?

A
  • elbow flexion
  • musculocutaneous and radial nerve
32
Q
  • Triceps brachii long head action?
  • Triceps brachii entire muscle action?
  • Nerve?
A
  • long head
    • shoulder extension
    • shoulder adduction
  • entire muscle
    • elbow extension
  • radial
33
Q

Anconeus action? Nerve?

A
  • extends elbow
  • tightens the joint
  • radial nerve

AA Exam 5 (Final) (4 decks)

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