Muscles of the Upper Limb - Axilla and Brachial Plexus Flashcards Preview

Musculoskeletal Anatomy Diagrams Hard Version > Muscles of the Upper Limb - Axilla and Brachial Plexus > Flashcards

Flashcards in Muscles of the Upper Limb - Axilla and Brachial Plexus Deck (49)
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1

Name nerves A, B and C

A - Upper subscapular nerve

B - Lower subscapular nerve

C - Long thoracic nerve

2

Name muscle A

A - Long head of triceps brachii

3

What are the origin and insertion sites for muscle A?

Origin - 1st rib at sternocostal junction

Insertion - Groove on inferior surface of middle 1/3rd of clavicle

A - Subclavius

4

What is the innervation of muscle A?

Upper and lower subscapular nerves (C5, C6 and C7)

A - Subscapularis

5

What is the innervation of muscle A?

Nerve to subclavius (C5 and C6)

A - Subclavius

6

What are the origin and insertion sites for muscle A?

Origin - Medial 2/3rds of subscapular fossa

Insertion - Lesser tubercle of humerus

A - Subscapularis

7

What is the function of muscle A?

  1. Pulls tip of shoulder inferiorly
  2. Pulls clavicle medially

A - Subclavius

8

Name structures A and B

A - Medial cord (of brachial plexus)

B - Lateral cord (of brachial plexus)

9

Name nerves A to E

A - Musculocutaneous nerve

B - Axillary nerve

C - Radial nerve

D - Median nerve

E - Ulnar nerve

10

Name muscle A

A - Pectoralis major

11

Name muscle A

A - Triceps brachii

12

What is the function of muscle A?

  1. Medial rotation of arm at glenohumeral joint

A - Subscapularis

13

Name muscle A

A - Subclavius

14

What is the function of muscle A?

  1. Pulls tip of shoulder inferiorly
  2. Protraction of scapula

A - Pectoralis minor

15

Name nerve A and spinal nerves B, C and D from which it is derived

A - Long thoracic nerve

B - C5

C - C6

D - C7

16

What is the innervation of muscle A?

Medial and lateral pectoral nerves

A - Pectoralis major

17

Name the cords of the brachial plexus A, B and C

A - Lateral cord

B - Posterior cord

C - Medial cord

18

Name muscle A

A - Pectoralis minor

19

What are the origin and insertion sites for muscle A?

Origin - Posterior surface of scapula at inferior angle

Insertion - Intertubercular sulcus on the anterior surface of humerus

A - Teres major

20

Name vessel A

A - Axillary artery

21

What are the origin and insertion sites for muscle A?

Origin (Clavicular head) - Medial half of clavicle (anterior surface)

Origin (Sternocostal head) - Anterior sternum, first 7 costal cartilages, sternal end of 6th rib, aponeurosis of external oblique

Insertion - Lateral lip of intertubercular sulcus of humerus

A - Pectoralis major

22

What is the innervation of muscle A?

Medial pectoral nerve (C5-T1)

A - Pectoralis minor

 

23

Name structure A

A - Posterior cord (of brachial plexus)

24

Name nerves A to D

A - Lateral pectoral nerve

B - Suprascapular nerve

C - Dorsal scapular nerve

D - Nerve to suclavius

25

What is the innervation of muscle A?

Radial nerve (C6, C7, C8)

A - Long head of triceps brachii

26

Name muscle A

A - Teres major

27

Name muscle A

A - Latissimus dorsi

28

Name muscle A

A - Latissiumus dorsi

29

Name nerve A

A - Radial nerve

30

What is the function of muscle A?

  1. Adduction of arm at glenohumeral joint
  2. Medial rotation of arm at glenohumeral joint
  3. Extension of arm at glenohumeral joint

A - Latissimus dorsi