Axilla and Brachial Plexus Flashcards

1
Q

Name nerves A, B and C

A

A - Upper subscapular nerve

B - Lower subscapular nerve

C - Long thoracic nerve

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2
Q

Name muscle A

A

A - Long head of triceps brachii

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3
Q

What is the innervation of muscle A?

A

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

A - Subscapularis

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4
Q

What is the innervation of muscle A?

A

Nerve to subclavius (C5 and C6)

A - Subclavius

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5
Q

What is the function of muscle A?

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

A - Subclavius

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6
Q

Name nerves A to E

A

A - Musculocutaneous nerve

B - Axillary nerve

C - Radial nerve

D - Median nerve

E - Ulnar nerve

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7
Q

Name muscle A

A

A - Pectoralis major

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8
Q

Name muscle A

A

A - Triceps brachii

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9
Q

What is the function of muscle A?

A
  1. Medial rotation of arm at glenohumeral joint

A - Subscapularis

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10
Q

What is the function of muscle A?

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

A - Pectoralis minor

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11
Q

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

A

A - Long thoracic nerve

B - C5

C - C6

D - C7

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12
Q

What is the innervation of muscle A?

A

Medial and lateral pectoral nerves

A - Pectoralis major

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13
Q

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

A

A - Lateral cord

B - Posterior cord

C - Medial cord

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14
Q

Name vessel A

A

A - Axillary artery

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15
Q

What is the innervation of muscle A?

A

Medial pectoral nerve (C5-T1)

A - Pectoralis minor

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16
Q

Name structure A

A

A - Posterior cord (of brachial plexus)

17
Q

Name nerves A to D

A

A - Lateral pectoral nerve

B - Suprascapular nerve

C - Dorsal scapular nerve

D - Nerve to suclavius

18
Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7, C8)

A - Long head of triceps brachii

19
Q

Name muscle A

A

A - Teres major

20
Q

Name muscle A

A

A - Latissiumus dorsi

21
Q

Name nerve A

A

A - Radial nerve

22
Q

What is the function of muscle A?

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

23
Q

Name nerve A

A

A - Long thoracic nerve

24
Q

Name muscle A

A

A - Serratus anterior

25
Q

Name muscle A

A

A - Subscapularis

26
Q

What is the innervation of muscle A?

A

Lower subscapular nerve (C5, C6 and C7)

A - Teres major

27
Q

What is the function of muscle A?

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

A - Long head of triceps brachii

28
Q

What is the function of muscle A?

A
  1. Flexion at glenohumeral joint
  2. Adduction at glenohumeral joint
  3. Medial rotation at glenohumeral joint
  4. Flexion of extended arm (clavicular head)
  5. Extension of flexed arm (sternocostal head)

A - Pectoralis major

29
Q

Name the sections of the brachial plexus A to E

A

A - Nerves

B - Cords

C - Divisions

D - Trunks

E - Roots

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30
Q

What is the innervation of muscle A?

A

Long thoracic nerve (C5, C6 and C7)

A - Serratus anterior

31
Q

What is the function of muscle A?

A
  1. Protraction of scapula
  2. Rotation of scapula
  3. Opposes medial scapular border and inferior angle to thoracic wall

A - Serratus anterior

32
Q

Name nerves A to D

A

A - Medial pectoral nerve

B - Medial cutaneous nerve of arm

C - Medial cutaneous nerve of forearm

D - Thoracodorsal nerve

33
Q

Name muscle A

A

A - Serratus anterior

34
Q

Name muscle A

A

A - Subclavius

35
Q

What is the innervation of muscle A?

A

Thoracodorsal nerve (C6, C7 and C8)

A - Latissimus dorsi

36
Q

What is the function of muscle A?

A
  1. Medial rotation of arm at glenohumeral joint
  2. Extension of arm at glenohumeral joint

A - Teres major