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Anatomy > Wrist and Hand Origins and Insertions > Flashcards

Wrist and Hand Origins and Insertions Flashcards

1
Q

Flexor Carpi Radialis

A

Origin: Medial Epicondyle

Insertion: Base of second and third metacarpals

Action: Flex wrist, Radial Deviation(abduct)

Nerve: Median

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2
Q

Flexor Carpi Ulnaris

A

Origin: Medial Epicondyle

Insertion: Pisiform

Action:Flex wrist, Ulnar Deviation(adduct)

Nerve: Ulnar

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3
Q

Palmaris Longus

A

Origin: Medial Epicondyle

Insertion: Palmar Aponeurosis

Action: Flex the wrist

Nerve: Median

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4
Q

Flexor Digitorum Superficialis

A

Origin: Medial epicondyle of humerus; medial aspect of coronoid process of ulna; proximal half of radius distal to radial tuberosity

Insertion: Base of middle phalanx of each of four fingers

Action: Flexion of middle phalanx of each of four fingers

Nerve: Median

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5
Q

Flexor Digitorum Profundus

A

Origin: Anterior and medial surfaces of proximal ulna

Insertion: distal phalanx of each of four fingers

Action: Flexion of distal phalanx of each of four fingers

Nerve: Median and Ulnar

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6
Q

Flexor Pollicis Longus

A

Origin: Anterior surface of middle half of radius;

Insertion: Distal phalanx of thumb

Action: Flex of distal phalanx of thumb

Nerve: Median

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7
Q

Extensor carpi radialis longus

A

Origin: Lateral supracondylar ridge of humerus

Insertion: Base of second metacarpal

Action: Extend wrist, Radial deviation(abduct)

Nerve: Radial

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8
Q

Extensor carpi radialis brevis

A

Origin: Lateral epicondyle

Insertion: Base of third metacarpal

Action: Extend wrist, Radial deviation(abduct)

Nerve: Radial

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9
Q

Extensor carpi ulnaris

A

Origin: Lateral epicondyle

Insertion: base of fifth metacarpal

Action: Extend wrist, Ulnar deviation(adduct)

Nerve: Radial

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10
Q

Extensor digitorum

A

Origin: Lateral epicondyle

Insertion: Middle and distal phalanges of each four fingers

Action: Extension of each four fingers

Nerve: Radial

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11
Q

Extensor Indicis

A

Origin: Posterior surface of ulna

Insertion: Extensor expansion of index finger

Action: Extension of index finger

Nerve: Radial

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12
Q

Extensor Digiti Minimi

A

Origin: Lateral epicondyle

Insertion: Base of the middle and distal phalanxes of the fifth phalange

Action: Extends 5th digit at metacarpophalangeal

Nerve: Radial

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13
Q

Extensor Pollicis Longus

A

Origin: Posterior surface of ulna

Insertion: Distal phalanx of thumb

Action: Extension of distal phalanx of thumb

Nerve: Radial

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14
Q

Extensor Pollicis Brevis

A

Origin: Posterior surface of radius

Insertion: Proximal phalanx of thumb

Action: Extension of proximal phalanx of thumb

Nerve: Radial

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15
Q

Abductor Pollicis Longus

A

Origin: Posterior surface of ulna and radius

Insertion: base of first metacarpal

Action: abduction and extension of thumb

Nerve: Radial

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16
Q

Flexor pollicis brevis

A

Action:
Thumb Flexion
Thumb Opposition

Nerve: median(superficial head) and ulnar(deep head)

17
Q

abductor pollicis brevis

A

Action:
Thumb Abduction
Thumb Opposition

Nerve: median

18
Q

Adductor pollicis

A

Action:
Thumb Adduction
Thumb Flexion

Nerve: ulnar

19
Q

Opponens pollicis

A

Action:
Thumb Opposition

Nerve: median

20
Q

Flexor digiti minimi brevis

A

Action:
Fifth Finger Flexion
Fifth Finger Opposition toward thumb

Nerve: ulnar

21
Q

Abductor digiti minimi

A

Action:
Fifth Finger Abduction
Fifth Finger Opposition toward thumb

Nerve: ulnar

22
Q

Opponens digiti minimi

A

Action:
Fifth Finger Oppostion

Nerve: ulnar

23
Q

Palmar Interossei

A

Action: adduct fingers toward thid finger
flex thumb, 2,4,5 finger
Extend thumb 2,4,5 finger

Nerve: ulnar

24
Q

Dorsal Interossei

A

Action:
abduct 2-4th fingers
flex 2-4 finger
Extend 2-4,finger

Nerve: ulnar

25
Q

Lumbricals

A

extend 2-5 finger at IP
Flex 2-5 finger at MCP

Nerve: median and ulnar

Anatomy (26 decks)

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