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ANATOMY TEST 2 > upper arm muscles > Flashcards

upper arm muscles Flashcards

1
Q

bicep brachii MA

A

supinates forarm
flexes the elbow
short head resists dislocation of shoulder

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2
Q

bicep brachii PA

A

short head: coracoid process
long head: supraglenoid tubercle of scp

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3
Q

bicep brachii DA

A

tuberosity of radius and fascia of forearm via bicipital aponeruosis

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4
Q

bicep brachii IN

A

musculocutaneous nerver ( C5, C6, C7)

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5
Q

triceps brachii MA

A

chief extensor of elbow
long head resis dislocation of humerus
important durign adduction

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6
Q

triceps brachii PA long head

A

infraglenoid tubercle of scapula

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7
Q

triceps brachii PA: lateral head

A

posterior surface of humerus , superior to radial groove

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8
Q

triceps brachii PA: medial head

A

posterior suface of humerus , inferior to radial groove

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9
Q

triceps brachii DA

A

proximal end of olecrannon of ulna and fascia of forearm

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10
Q

triceps brachii IN

A

radial nerve (C6, C7, C8)

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11
Q

coracobrachialis MA

A

helps flex and adduct the arm
resist dislocation of shoulder

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12
Q

coracobrachialis PA

A

coracoid process of scapula

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13
Q

coracobrachialis DA

A

middle 3rd of medial surface of humerus

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14
Q

coracobrachialis IN

A

musculocutaneous nerve (C5, C6, C7)

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15
Q

brachialis:MA

A

flexes the elbow in all positions

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16
Q

brachialis: PA

A

distal half o anterior surface of humerus

17
Q

brachialis: DA

A

ulnar tuberosity and coronoid process of ulna

18
Q

brachialis: IN

A

musculocutaneous nerve ( C5, C6) and small branch from radial (C5, C7)

19
Q

brachioradialis: MA

A

flex’s the elbow in mid pronated position
assists to pronate and supinate the forearm when these movements are resisted from end range

20
Q

brachioradialis: PA

A

proximal 2/3rds of the lateral supracondylar ridge of humerus

21
Q

brachioradialis: DA

A

lateral surface of distal end of radius proximal to styloid process

22
Q

brachioradialis:IN

A

radial nerve ( C5, C6, C7)

ANATOMY TEST 2 (11 decks)

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