Muscles of the Upper Limb - Posterior Shoulder and Rotator Cuff Flashcards Preview

Musculoskeletal Anatomy Diagrams > Muscles of the Upper Limb - Posterior Shoulder and Rotator Cuff > Flashcards

Flashcards in Muscles of the Upper Limb - Posterior Shoulder and Rotator Cuff Deck (33):
1

Name nerve A

A - Dorsal scapular nerve

2

What is the function of muscle A?

  1. Abductor of arm (beyond initial 15º achieved by supraspinatus)
  2. Flexion of arm (clavicular fibres)
  3. Extension of arm (posterior fibres)

A - Deltoid

3

What is the function of muscle A?

Lateral rotation of arm (at glenohumeral joint)

A - Teres minor

N.b the teres minor is a rotator cuff muscle

4

Name muscle A

A - Infraspinatus

5

Name muscle A

A - Trapezius

6

Name muscle A

A - Teres major

7

Name muscle A

A - Levator scapulae

8

What is the function of muscle A?

  1. Medial rotation of arm (at glenohumeral joint)
  2. Extension of arm (at glenohumeral joint)

A - Teres major

9

What is the innervation of muscle A?

Axillary nerve (C5 and C6)

A - Deltoid

10

What is the function of muscle A?

  1. Extension of forearm (at elbow joint)
  2. Adduction of arm (at glenohumeral joint)
  3. Extension of arm (at glenohumeral joint)

A - Long head of triceps brachii

11

What is the innervation of muscles A and B?

Dorsal scapular nerve (C5 and C6)

A - Rhomboid minor

B - Rhomboid major

12

What are the spaces A, B and C?

A - Triangular space

B - Quadrangular space

C - Trianglular interval

13

Name nerve A

A - Accessory nerve (XI)

14

What is the innervation of muscle A?

Accessory nerve (XI) - Motor

Anterior rami of C3 and C4 - Sensory

A - Trapezius

15

Name nerve A

A - Axillary nerve

16

What is the function of muscle A?

Initiation of abduction of arm to 15º (at glenohumeral joint)

A - Supraspinatus

N.b the supraspinatus is a rotator cuff muscle

17

What is the function of muscle A?

Elevation of scapula

A - Levator scapulae

18

Name muscles A to D

A - Infraspinatus

B - Supraspinatus

C - Subscapularis

D - Teres minor

19

Name muscle A

A - Teres minor

20

What is the innervation of muscle A?

Inferior subscapular nerve (C5, C6 and C7)

A - Teres major

 

21

What is the function of muscle A?

  1. Elevation scapula
  2. Retraction of scapula

A - Rhomboid minor

22

What is the innervation of muscle A?

Axillary nerve

A - Teres minor

23

What is the function of muscle A?

  1. Elevation of scapula
  2. Retraction of scapula

A - Rhomboid major

24

What is the function of muscle A?

  1. Elevator of scapula
  2. Rotator of scapula (during abduction of humerus above horizontal)
  3. Retraction of scapula (middle fibres)
  4. Depress scapula (lower fibres)

A - Trapezius

25

Name muscles A and B

A - Rhomboid minor

B - Rhomboid major

26

Name muscles A and B

A - Levator scapulae

B - Trapezius

27

What is the innervation of muscle A?

Radial nerve (C6, C7 and C8)

A - Long head of triceps brachii

28

What is the function of muscle A?

Lateral rotation of arm (at glenohumeral joint)

A - Infraspinatus

N.b the infraspinatus is a rotator cuff muscle

29

What is the innervation of muscle A?

Suprascapular nerve (C5 and C6)

A - Supraspinatus

30

Name muscle A

A - Deltoid

31

What is the innervation of muscle A?

Suprascapular nerve (C5 and C6)

A - Infraspinatus

32

What is the innervation of muscle A?

Anterior rami of C3 and C4

Braches of dorsal scapular nerve

A - Levator scapulae

33

Name muscle A

A - Supraspinatus