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Gross Anatomy 1 > Quiz 2 > Flashcards

Quiz 2 Flashcards

1
Q

origin of biceps brachii long head

A

supraglenoid tubercle of humerus

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2
Q

origin of biceps brachii short head

A

coracoid process of scapula

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3
Q

insertion of biceps brachii long + short head

A

radial tuberosity + bicipital aponeurosis

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4
Q

innervation of biceps brachii

A

musculocutaneous n

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5
Q

spinal levels of biceps brachii

A

C5/C6

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6
Q

action of biceps brachii long head

A

forearm flexor, primary supinator, stabilizes the GH joint

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7
Q

origin of coracobrachialis

A

coracoid process, scapula

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8
Q

insertion of coracobrachialis

A

medial/middle humerus

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9
Q

innervation of coracobrachialis

A

musculocutaneous n

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10
Q

action of coracobrachialis

A

flexes + adducts humerus at GH joint

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11
Q

spinal levels of coracobrachialis

A

C6/C7

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12
Q

origin of brachialis

A

distal half of anterior humerus

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13
Q

insertion of brachialis

A

ulnar tuberosity + anterior surface of coronoid process

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14
Q

innervation of brachialis m

A

musculocutaneous n

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15
Q

action of brachialis

A

primary elbow flexor

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16
Q

spinal level of brachialis

A

C5/C6

17
Q

origin of tricpes brachii long head

A

infraglenoid tubercle of scapula

18
Q

origin of tricpes brachii lateral head

A

posterolateral surface of humerus + lateral intermuscular septum

19
Q

origin of tricpes brachii medial head

A

posteromedial surface of humerus + medial intermuscular septum

20
Q

insertion of all heads of tricpes brachii

A

olecranon process of the ulna

21
Q

innervation of tricpes brachii

A

radial n

22
Q

spinal levels of tricpes brachii

A

C6/C7/C8

23
Q

actions of tricpes brachii

A

extends forearm at elbow

24
Q

actions of tricpes brachii long head

A

stabilizes the GH joint + extends humerus at GH joint

25
Q

origin of flexor carpi radialis

A

medial epicondyle

26
Q

insertion of flexor carpi radialis

A

base of 2nd + 3rd metacarpal

27
Q

action of flexor carpi radialis

A

flexes carpometacarpal joint + the hand at wrist. abduction. helps steady hand

28
Q

innervation of flexor carpi radialis

A

median n

29
Q

spinal levels of flexor carpi radialis

A

C6/C7

30
Q

origin of pronator teres humeral head

A

medial epicondyle

31
Q

origin of flexor carpi radialis ulnar head

A

coronoid process

32
Q

insertion of flexor carpi radialis

A

mid/lateral surface of radius

33
Q

spinal levels of flexor carpi radialis

A

C6/C7

34
Q

action of flexor carpi radialis

A

weak pronation of forearm, rotation of radius on ulna

Gross Anatomy 1 (5 decks)

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