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MSK CAT > elbow w h muscles > Flashcards

elbow w h muscles Flashcards

1
Q

biceps brachii
origin
inertion
action

A

long head- supraglenoid tubercle of scapula
short head- tip of coracoid process

radial tuberosity
elbow flexor, forearm pronation

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2
Q

brachialis
origin
inertion
action

A

anterior aspect of humerus medial and lateral surfaces and adjacent intermuscular septae

tuberosity of unlar
elbow flexion

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3
Q

tricep brachii
origin
inertion
action

A

long head- infraglenoid tubercle of scapula
medial and lateral heads- posterior surface of humerus

posterior part of olecranon process of ulna
elbow extension

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4
Q

flexor carpi ulnaris
origin
inertion
action

A

humeral head- medial epicondyle
ulnar head- olecranon and posterior border of ulna

pisiform, hook of hamate, base of 5th metacarpal

wrist flexion
ulna deviation

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5
Q

palmaris longus
origin
inertion
action

A

medial epicondyle of humerus

palmar aponeurosis of hand

wrist flexion
tenses palmar fascia

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6
Q

flexor carpi radialis
origin
inertion
action

A

medial epicondyle of humerus

bases of 2nd and 3rd metacarpals

wrist flexion
radial deviation

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7
Q

pronator teres
origin
inertion
action

A

humeral head - medial epicondyle and adjacent supracondylar ridge
ulnar head- medial border of coranoid process

mid-lateral surface of radius

pronates forearm

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8
Q

flexor didgitorum superficialis
origin
inertion
action

A

humero-ulnar head- medial epicondyle. adjacent border of coranoid process
radial head- oblique line of radius

4 tendons which insert into the slides of the middle phalanges of the 4 fingers

flexors or the PIP joint of index, middle, ring & little

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9
Q

flexor didgitorum profundus
origin
inertion
action

A

medial and anterior surfaces of ulna. medial half of interosseous membrane

4 tendons attatching to the palmar surfaces of the distal phalanges of the index, middle, ring and little

flexors or the DIP joint of index, middle, ring & little

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10
Q

flexor pollicis longus
origin
insertion
action

A

anterior surface of the shaft of radius
radial half of interosseous membrane

palmar surface of the base of distal phalax of thumb

flexes interphalangeal joint of thumb

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11
Q

pronator quadratus
origin
insertion
action

A

linear ridge on distal anterior surface of ulna

distal anterior surface of radius

pronation

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12
Q

brachioradialis posterior, superficial forearm
origin
insertion
action

A

proximal part of lateral supraepicondylar ridge and adjacent intermuscular septum

lower surface of distal end of radius

accessory flexor of the elbow joint when in forearm mid-pronation

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13
Q

extensor carpi radialis longus, posterior, superficial forearm
origin
insertion
action

A

distal part of lateral supraepicondylar ridge and adjacent intermuscular septum

dorsal surface of the base of 2nd metacarpal

wrist extension
wrist radial deviation

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14
Q

extensor carpis radialis brevis, posterior, superficial forearm
origin
insertion
action

A

lateral epicondyle and adjacent intermuscular septum

dorsal surface of base of the 2nd and 3rd metacarpals

wrist extension
radial deviation

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15
Q

extensor digitorum posterior supericial forearm
origin
insertion
action

A

lateral epicondyle and adjacent intermuscular septum and deep fascia

4 tendon which insert via the extensor hoods into the dorsal aspects of the bases of the middle and distal phalanges of the index, middle, ring and little fingers

extends index,middle, ring, little

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16
Q

extensor digiti minimi, posterior, superficial forearm
origin
insertion
action

A

lateral epicondyle and adjacent intermuscular septum together with extensor didgitorum

extensor hood of little finger

extends little finger

17
Q

extensor carpi ulnaris, posterior, superficial forearm
origin
insertion
action

A

lateral epicondyle and posterior border of ulna

tubercule of the base of the 5th metacarpal

extends and ulnar deviation

18
Q

supinator, posterior, deep forearm
origin
insertion
action

A

superficial - lateral epicondyle. radial collateral and anular ligaments
deep- supinator crest of ulna

lateral surface of radius superior to the anterior oblique line

supination

19
Q

abductor pollicis longus, posterior deep forearm
origin
insertion
action

A

posterior surfaces of ulna and radius. intervening interosseous memebrane

lateral surface of the radius superior to the anterior oblique line

supination

20
Q

extensor pollicis brevis, posterior deep forearm
origin
insertion
action

A

posterior surface of radius adjacent interosseous membrane

dorsal surface of base of distal phalanx of thumb

extends metacarpopharangeal joint of thumb

21
Q

extensor pollicis longus, posterior deep forearm
origin
insertion
action

A

posterior surface of ulna adjacent interosseous membrane

dorsal surface of base of distal phalanx of thumb

extends interpharangeal joint of thumb

22
Q

extensor indicis, posterior, deep forearm
origin
insertion
action

A

posterior surface of ulna
adjacent interosseou smembrane

extensor hood of indicies

extends index finger

MSK CAT (14 decks)

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