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Anatomy muscles > Shoulder/Arm > Flashcards

Shoulder/Arm Flashcards

0
Q

Origin: clavicle
Insertion: deltoid tuberosity of humerus
Action: abducts arm

A

Deltoid

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1
Q

Origin: C7-T12
Insertion: spine of scapula
Action: fixes scapula

A

Trapezius

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2
Q

Origin: cartilages of ribs 1-7
insertion: crest of greater tubercle of humerus
Action: flexes arm

A

Pectoralis major

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3
Q

origin: ribs 3-5
insertion: coracoid process of scapula
action: raises ribs 3-5

A

Pectoralis minor

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4
Q

origin: ribs 10-12
insertion: intertubercular groove of humerus
action: extends arm

A

Latissimus dorsi

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5
Q

origin: supraspinous fossa
insertion: greater tubercle of humerus
action: helps stabilize shoulder joint

A

Supraspinatus

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6
Q

origin: infraspinous fossa
insertion: greater tubercle of humerus
action: stabilizes shoulder joint

A

Infraspinatus

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7
Q

origin: subscapular fossa
insertion: lesser tubercle of humerus
action: stabilizes shoulder joint

A

subscapularis

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8
Q

origin: lateral border of scapula
insertion: greater tubercle of humerus
action: stabilizes shoulder joint

A

Teres minor

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9
Q

origin: inferior angle of scapula
insertion: crest of lesser tubercle of humerus
action: extends arm

A

Teres major

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10
Q

origin: short head- coracoid process of scapula
insertion: radial tuberosity
action: flexes arm

A

biceps brachii

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11
Q

origin: lateral and posterior surface of humerus
insertion: olecranon process of ulna
action: extends arm

A

triceps brachii

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12
Q

origin: coracoid process of scapula
insertion: midmedial shaft of humerus
action: flexes arm

A

coracobrachialis

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13
Q

origin: anterior, distal surface of humerus
insertion: coronoid process of ulna
action: flexes forearm

A

brachialis

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14
Q

origin: lateral supracondylar ridge of humerus
insertion: styloid process of radius
action: flexes forearm

A

brachioradialis

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15
Q

origin: anterior ulna
insertion: proximal radius
action: supinates hand

A

supinator

16
Q

origin: distal part of anterior ulna
insertion: distal radius
action: pronates hand

A

pronator quadratus

17
Q

origin: medial epincondyle of humerus
insertion: palmar aponeurosis
action: flexes hand

A

palmaris longus

18
Q

origin: coronoid process of ulna
insertion: lateral, middle shaft of radius
action: pronates hand

A

pronator teres

19
Q

origin: medial epicondyle of humerus
insertion: 2nd metacarpal
action: flexes hand

A

flexor carpi radialis

21
Q

origin: medial epicondyle of humerus
insertion: fifth metacarpal
action: flexes hand

A

flexor carpi ulnaris

21
Q

origin: interosseous membrane
insertion: distal phalanges of digits 2-5
action: flexes hand

A

flexor digitorum profundus

22
Q

origin: proximal ulna
insertion: middle phalanges of digits 2-5
action: flexes hand

A

flexor digitorum superficialis

23
Q

origin: interosseous membrane
insertion: distal phalanx of pollex (thumb)
action: flexes thumb

A

flexor pollicis longus

24
Q

origin: trapezium
insertion: proximal phalanx of first digit
action: flexes thumb

A

flexor pollicis brevis

25
Q

origin: trapezium
insertion: first metacarpal
action: opposes thumb

A

opponens pollicis

26
Q

origin: trapezium
insertion: proximal phalanx of first digit
action: abducts thumb

A

abductor pollicis brevis

27
Q

origin: pisiform
insertion: proximal phalanx of fifth digit
action: abducts fifth digit

A

abductor digiti minimi

28
Q

origin: hamulus of hamate
insertion: proximal phalanx of fifth digit
action: flexes fifth digit

A

flexor digiti minimi brevis

29
Q

origin: hamulus of hamate
insertion: fifth metacarpal
action: opposes fifth digit

A

opponens digiti minimi

30
Q

origin: lateral supracondylar ridge of humerus
insertion: second metacarpal
action: extends hand

A

extensor carpi radialis longus

31
Q

origin: lateral epicondyle of humerus
insertion: third metacarpal
action: extends hand

A

extensor carpi radialis brevis

32
Q

origin: proximal ulna
insertion: fifth metacarpal
action: extends hand

A

extensor carpi ulnaris

33
Q

origin: lateral epicondyle of humerus
insertion: middle and distal phalanges of digits 2-5
action: extends phalanges

A

extensor digitorum

34
Q

origin: interosseous membrane
insertion: first metacarpal
action: abducts thumb

A

abductor pollicis longus

35
Q

origin: interosseous membrane
insertion: proximal and distal phalanges of pollex (thumb)
action: extends thumb

A

extensor pollicis longus and brevis

Anatomy muscles (4 decks)

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