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Anatomy > Upper Extremities innervation+ muscles > Flashcards

Upper Extremities innervation+ muscles Flashcards

0
Q

Provides innervation to deltoid and teres minor

A

Axillary nerve

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1
Q

Anterior compartment muscles not innervated by median nerve

A

Flexor carpi ulnaris, ulnar half of flexor digitorum profundus

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2
Q

Posterior muscles of the arm

A

ANCONEUS, Triceps

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3
Q

Innervates posterior compartment of arm

A

Radial nerve

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4
Q

Rhomboids

A

Dorsal scapular

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5
Q

Serratus anterior

A

Long thoracic

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6
Q

Supraspinatus and infraspinatus

A

Suprascapular

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7
Q

Pectoralis major

A

Lateral pectoral

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8
Q

Pectoralis major and minor

A

Medial pectoral

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9
Q

Subscapularis

A

Upper subscapular

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10
Q

Latissimus dorsi

A

Middle subscapular/ thoracodorsal

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11
Q

Subscapularis and teres major

A

Lower subscapular nerve

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12
Q

Skin of medial arm

A

Medial branch of cutaneous nerve

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13
Q

Skin of medial forearm

A

Medial antebrachial cutaneous nerve

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14
Q

2 prominent bursae in the glenohumeral joint

A

Subacromial, subscapular

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15
Q

Seperates tendon of supraspinatous from deltoid muscle

A

Subacrimial

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16
Q

Seperates scapular fossa from the tendon of subscapularis muscle

A

Subscapular fossa

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17
Q

Rotator cuff muscles

A

Supraspinatus, infraspinatus, teres minor, subscapularis

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18
Q

Teres minor

A

Axillary nerve

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19
Q

Most common type of shoulder dislocation

A

Anterior or inferior

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20
Q

Acromioclavicular joint is stabilized by what ligaments

A

Coracoacromial, coracoclavicular, acromioclavicular

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21
Q

Forms the wrist joint

A

Distal end of radius with SCAPHOID and LUNATE

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22
Q

Forms the carpal tunnel

A

Flexor retinaculum

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23
Q

Forms the flexor retinaculun

A

Volar and transverse carpal ligament

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24
Q

Structures that pass through the carpal tunnel

A

Flexor pollicis longus, flexor digitorum superficialis and profundis, median nerve

25
Q

Tingling sensation produced by tapping the palmaris longus tendon

A

Tinel test

26
Q

What are the contents of the axilla

A

Vein artery nerve(axillary vein and artery and brachial plexus)

27
Q

Axillary structures are covered by

A

Axillary fascia

28
Q

Shoulder joint is weakest

A

Inferiorly

29
Q

What are the intrinsic muscles of the shoulder

A

SITS + DTM

30
Q

Most commonly affected tendon in the shoulder

A

Tendon of supraspinatis

31
Q

What are the contents of the quadrangular space

A

Axillary nerve(circumflex nerve); posterior circumflex humeral vessels

32
Q

Contents of triangular space

A

Circumflex scapular vessels

33
Q

Main supinator of forearm

A

Biceps Brachii

34
Q

Main flexor of forearm

A

Brachialis

35
Q

Anterior muscles of the arm are innervates by

A

Musculocutaneous nerve

36
Q

Adducts/flexes arm

A

Coracobrachialis

37
Q

Posterior arm is innervates byw

A

Radial nerve

38
Q

Main extensor of arm

A

Triceps

39
Q

Pronator teres, palmaris longus, pronator quadratus are muscles of

A

Forearm(flexors)

40
Q

Supinator, aconeus and anductor pollicis longus are muscles of

A

Forearm- exntensors

41
Q

Adductor policis is innervates by

A

Extensor digitorum is innervated by radial nerve

42
Q

Flexes MCP joints

A

Lumbricales

43
Q

Helps lumbricals extend IP joints and flex MCP joints

A

Interossei

44
Q

Hypothenar muscles are innervated by

A

Ulnar nerve (digiti minimi)

45
Q

The brachial plexus consists of which roots

A

C5-T1

46
Q

largest branch of axillary artery

A

Subscapular

47
Q

Artery that supplies subscapularis, teres major and latissimus dorsi

A

Subscapular artery

48
Q

Supplies anterior serratus muscle

A

Thoracodorsal artery

49
Q

Thoracosorsal artery is a branch of which artery

A

Subscapular

50
Q

1st bone to begin ossification

A

Clavicle

51
Q

Convex part of clavicle

A

Medial 2/3

52
Q

Weakest point of clavicle

A

Junction

53
Q

May cause brachial plexus injury

A

Clavicular fracture

54
Q

Pain and tenderness over the anatomical snuffbox

A

Scaphoid fracture

55
Q

Most commonly dislocated carpal bone

A

Lunate

56
Q

Dislocation of this bone may cause CTS

A

Lunate

57
Q

Fracture of the base of the 1st metacarpal bone

A

Bennett’s fracture

58
Q

Fracture of the necks of the second and third metacarpal

A

Boxer’s fracture

59
Q

Wha drains the right side of the head and neck, thorax, upper limb

A

Right lymphatic duct

Anatomy (31 decks)

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