wrist/hand muscles (intrinsic) Flashcards by ash thomas

Q

abductor pollicis brevis origin

A

flexor retinaculum, scaphoid, trapezium

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Q

abductor pollicis brevis insertion

A

proximal phalanx of thumb

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Q

abductor pollicis brevis action

A

thumb abduction

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Q

abductor pollicis brevis nerve

A

median

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Q

opponens pollicis origin

A

flexor retinaculum, trapezium

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Q

opponens pollicis insertion

A

1st metacarpal

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Q

opponens pollicis action

A

opposition of thumb

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Q

opponens pollicis nerve

A

median

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Q

flexor pollicis brevis origin

A

flexor retinaculum, trapezium, capitate, trapezoid

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Q

flexor pollicis brevis insertion

A

1st proximal phalanx

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Q

flexor pollicis brevis action

A

thumb flexion

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Q

flexor pollicis brevis nerve

A

median

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Q

adductor pollicis origin

A

capitate, 1-3 metacarpals

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Q

adductor pollicis insertion

A

proximal phalanx

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Q

adductor pollicis action

A

thumb adduction

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Q

adductor pollicis nerve

A

ulnar

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Q

Abductor digiti minimi origin

A

pisiform, flexor carpi ulnaris tendon

Q

Abductor digiti minimi insertion

A

5th proximal phalanx

Q

Abductor digiti minimi action

A

abduction and flexion of 5th metacarpophalangeal

Q

Abductor digiti minimi nerve

A

ulnar

Q

Flexor digiti minimi origin

A

flexor retinaculum, hamate

Q

Flexor digiti minimi insertion

A

5th proximal phalanx

Q

Flexor digiti minimi action

A

flexion of 5th carpometacarpal and metacarpophalageal

Q

Flexor digiti minimi nerve

A

ulnar

Q

Opponens digiti minimi origin

A

flexor retinaculum, hamate

Q

Opponens digiti minimi insertion

A

5th metacarpal

Q

Opponens digiti minimi action

A

opposition of 5th digit

Q

Opponens digiti minimi nerve

A

ulnar

Q

lumbricals origin

A

flexor digitorum profundus tendon

Q

lumbricals insertion

A

extensor digitorum tendon

Q

lumbricals action

A

flex MCP 2-5, extend IP

Q

lumbricals nerve

A

ulnar

Q

Palmar interossi origin

A

sides of metacarpal shafts

Q

Palmar interossi insertion

A

bases of proximal phalanges

Q

Palmar interossi action

A

adduction fingers 1,2,4,5

Q

Palmar interossi nerve

A

ulnar

Q

Dorsal interossi origin

A

sides of metacarpal shafts

Q

Dorsal interossi insertion

A

proximal phalanges

Q

Dorsal interossi action

A

finger 2-4 abduction

Q

Dorsal interossi nerve

A

ulnar