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Anat 1 > brachium and cubital fossa > Flashcards

brachium and cubital fossa Flashcards

1
Q

septa

A

tough fibrous CT that divide a limb segment into compartments

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2
Q

2 facial compartments of the arm

A

1 medial intermuscular septum

2 lateral intermuscular septum

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3
Q

separates muscles of anterior arm from medial side of triceps complex

A

medial intermuscular septum

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4
Q

separates muscles of anterior arm from lateral side of triceps complex

A

lateral intermuscular septum

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5
Q

anterior brachial compartment muscles: 3

A

1 biceps brachii
2 coracobrachialis
3 brachialis

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6
Q

anterior brachial compartment functions

A

forearm flexers

biceps also flexes shoulder and supinates forearm

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7
Q

forearm flexers (crosses elbow joint) muscles: 2

A

1 biceps brachii

2 brachialis

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8
Q

anterior brachial compartment innervation

A

musculocutaneous nerve

functional neurological level C5-6

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9
Q

anterior brachial compartment nerves passing throught (not innervating): 2

A

median nerve and ulnar nerve

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10
Q

anterior brachial compartment vascularization: 2

A

1 brachial artery

2 basilic vein and venae comitantes

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11
Q

distal attachment of supraspinatus on humerus?

A

superior facet

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12
Q

distal attachment of pectoralis major on humerus?

A

crest of greater tubercle (lateral lip)

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13
Q

distal attachment of latissimus dorsi on humerus?

A

in floor of intertubercular (bicipital groove)

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14
Q

distal attachment of deltoid on humerus?

A

deltoid tuberosity

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15
Q

distal attachment of subscapularis on humerus?

A

lesser tubercle

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16
Q

distal attachment of teres major on humerus?

A

crest of lesser tubercle

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17
Q

distal attachment of infraspinatus on humerus?

A

middle facet of greater tubercle

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18
Q

distal attachment of teres minor on humerus?

A

inferior facet of greater tubercle

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19
Q

two joint muscle crossing both the glenohumeral and elbow joints

A

biceps brachii

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20
Q

short head from tip of coracoid process what muscle and attach proximal/distal?

A

biceps brachii proximal attachment

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21
Q

long head from supraglenoid tubercle of scapular what muscle and attach proximal/distal?

A

biceps brachii proximal attachment

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22
Q

tuberosity of radius what muscle and attach proximal/distal?

A

biceps brachii and distal attachment

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23
Q

flexion and supination of forearm and assists in forearm flexion describes what muscle?

A

biceps brachii

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24
Q

innervation of musculocutaneous nerve (C5-6) is what muscle?

A

biceps brachii

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25
Q

tip of coracoid what muscle and attach proximal/distal?

A

coracobrachialis and proximal attachment

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26
Q

middle third of medial border of humerus what muscle and attach proximal/distal?

A

coracobrachialis and distal attachment

27
Q

weakly flexes and adducts arm describes what muscle?

A

coracobrachialis

28
Q

innervation of musculocutaneous nerve (C6) is what 2 muscles?

A

coracobrachialis and brachialis

29
Q

distal half of anterior surface of humerus and intermuscular septum what muscle and attach proximal/distal?

A

brachialis and proximal attachment

30
Q

tuberosity of coronoid (ulna) process what muscle and attach proximal/distal?

A

brachialis and distal attachment

31
Q

main flexor of forearm describes what muscle?

A

brachialis

32
Q

posterior brachial compartment muscles: 2

A

1 triceps brachii (long, lateral, medial head)

2 anconeus

33
Q

posterior brachial compartment function: 3

A

1 forearm extensors
2 long head of triceps can extend shoulder (brachium)
3 synergists in forearm supination

34
Q

posterior brachial compartment: innervation

A

radial nerve

functional neurological level C7

35
Q

posterior brachial compartment: vascularization

A

deep brachial artery

36
Q

long head from infraglenoid tubercle of scapula what muscle and attach proximal/distal?

A

triceps brachii and proximal attachment

37
Q

lateral head from posterior surface of humerus above the radial groove what muscle and attach proximal/distal?

A

triceps brachii and proximal attachment

38
Q

medial head from posterior surface of humerus below the radial groove what muscle and attach proximal/distal?

A

triceps brachii and proximal attachment

39
Q

olecranon process is where what muscle and attach proximal/distal?

A

triceps brachii and distal attachment

40
Q

forearm extension and long head also assists in arm extension describes what muscle?

A

triceps brachii

41
Q

innervation of radial nerve (C6-8) is what muscle?

A

triceps brachii

42
Q

posterior aspect of lateral epicondyle of humerus what muscle and attach proximal/distal?

A

anconeus and proximal attachment

43
Q

lateral surface of olecranon and superior part of posterior surface of ulna is what muscle and attach proximal/distal?

A

anconeus and distal attachment

44
Q

abducts ulna during pronation of forearm and assists triceps during forearm extension describes what muscle?

45
Q

innervation of radial nerve (C7-8, T1) is what muscle?

46
Q

superior lateral cutaneous nerve of arm: from what nerve?

47
Q

medial brachial cutaneous nerve: direct branch from what cord?

A

medial cord

48
Q

medial antebrachial cutaneous nerve: direct branch from what cord?

A

medial cord

49
Q

lateral antebrachial cutaneous nerve: termination of what nerve?

A

musculocutaneous

50
Q

posterior cutaneous nerve of arm: from what nerve?

51
Q

posterior cutaneous nerve of forearm: from what nerve?

52
Q

pierces lateral intermuscular septum distal to deltoid insertion is what nerve?

A

radial nerve

53
Q

supplies skin on lateral forearm as far as wrist is what nerve?

A

musculocutaneous

54
Q

what artery anastomosis superior ulnar collateral to posterior ulnar recurrent?

A

brachial artery

55
Q

what artery anastomosis inferior ulnar collateral to anterior ulnar collateral?

A

brachial artery

56
Q

what are the cubital fossa contents (TAN)

A

biceps Tendon
brachial Artery
median Nerve

57
Q

what is the lateral boundary of the cubital fossa?

A

brachioradialis muscle

58
Q

what is the medial boundary of the cubital fossa?

A

pronator teres muscle

59
Q

what is the floor boundary of the cubital fossa?

A

supinator and brachialis muscles

60
Q

what is the roof boundary of the cubital fossa?

A

skin, superficial and deep fascia, bicipital aponeurosis

61
Q

what is the superior base boundary of the cubital fossa?

A

line between two humeral epicondyles

62
Q

fracture to surgical neck of humerus, anterior dislocation of glenohumeral joint, rotator cuff repair surgery are all causes for injury to the?

A

axillary nerve

63
Q

numbness, difficulty abducting, diminished lateral rotation of arm, and deltoid muscle wasting are all clinical presentations of injury to the?

A

axillary nerve

Anat 1 (19 decks)

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