Elbow/forearm/wrist/hand mm Flashcards

1
Q

Flexor Carpi Radialis O/I

A

O:Common flexor tendon of med epicondyle
I: Bases of 2-3 metacarpals

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2
Q

Flexor Carpi Radialis action?

A

Flex and abducts wrist (radial deviation)

may assist elbow flexion

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3
Q

Flexor carpi ulnaris O/I

A

O:
Humeral head: Common flexor tendon of med epicondyle
Ulnar head: post surface of proximal 2/3 of ulna
I: Pisiform, hook of hamate and base of 5 MTC

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4
Q

Flexor carpi ulnaris action?

A

flex wrist
adduct wrist (unlar deviation)
assist elbow flexion

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5
Q

Flexor digitorum superficialis O/I?

A

O:Common flexor tendon on med epicondyle, sup 1/2 of ant radius
I: sides of middle phalanges, palmar surface of 2-5

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6
Q

flexor digitorum profundus o/i

A

O: ant and med surfaces of prox 3/4 ulna
I: base of distal thumb

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7
Q

flexor digitorum profundus action?

A

flex 1st digits phalanges

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8
Q

Brachioradialis o/I?

A

O: prox 2/3 of lat supracondylar ridge
I: styloid process of radius

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9
Q

brachioradialis action

A

flex elbow
assis pronate and supinate forearm
(drinking mm)

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10
Q

extensor carpi radialis longus o/i

A

O: distal 1/3 of lat supracondylar ridge of humerus
I: base of 2nd metacarpal

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11
Q

Extensor carpi radialis longus action?

A

extend wrist

abduct wrist

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12
Q

extensor carpi radialis brevis o/i

A

O: common extensor tendon from lat epicondyle
I:base of 3rd metacarpal

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13
Q

extensor carpi radialis brevis action?

A

extend wrist

abduct wrist

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14
Q

extensor digitorum O/I

A

O: common extensor tendon from lat epicondyle
I: base of middle/distal 2-5 phalanges

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15
Q

extensor digitorum action?

A

extend 2-5 fingers

assist extension of wrist

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16
Q

extensor carpi ulnaris o/i

A

O: common extensor tendon from lat epicondyle
I: base of 5th metacarpal

17
Q

extensor carpi ulnaris action?

A

extends 5th digit

18
Q

lumbrical’s o/i

A

O: surfaces of flexor digitorum profundus tendons
I: extensor aponeurosis on dorsal surface of phalanges

19
Q

lumbricals action?

A

extends 2-5 fingers at IP joint

flex 2-5 fingers at MCP joint

20
Q

Palmar interossei o/i

A

O: palmer surface of 2, 4, 5 metacarpals
I: base of prox phalanx of related finer and extensor aponeurosis

21
Q

Palmer interossei action

A

PAD

adduct fingers to third

22
Q

Dorsal interossei o/i

A

O: adjacent sides of metacarpals

I; base of prox phalanx of 2-4 fingers and extensor aponeurosis

23
Q

dorsal interossei action?

A

DAB

abduct 2-4 MCP joints

24
Q

Biceps Brachii o/i

A

O:
SH: Coracoid process
LH: supraglenoid tubercle

I: Radia tuberosity

25
Q

Bicep Brachii action?

A

Flex elbow
supinate forearm
can flex shoulder

26
Q

Brachialis o/I?

A

O: distal half of ant humerus
I: ulnar tuberosity, coronoid process

27
Q

brachialis action?

A

flex elbow

28
Q

Brachioradialis o/I?

A

O: prox 2/3 of lat supracondylar ridge
I: Radial styloid process

29
Q

Brachioradialis action?

A

Flexes elbow
supines and pronates arm
(drinking mm)

30
Q

Triceps brachii o/i?

A

O:
LH: Infraglehoid tubercle
LATH: Post surface of Prox half of humerus
MEDH: Post surface distal half of humerus

I: Olecranon process

31
Q

Triceps Brachii action

A

Extend elbow
Extend shoulder
can adduct shoulder

32
Q

Supinator o/i

A

O: Lat epicondyle, RCL, annular lig, supinator crest of ulna
I: Ant Lat surface of prox 1/3 radial shaft

33
Q

Supinator action?

A

supinates forearm

34
Q

Pronator teres o/i?

A

O: Med epicondyle of common tendon, coronoid process
I: Middle of lat surface of radius

35
Q

Pronator teres action?

A

Pronates forearm

can assist elbow flexion

36
Q

Pronator Qaudratus o/I?

A

O: med border of distal ulna
I: lat border of distal radius

37
Q

Pronator Qaudratus action?

A

Pronate forearm