Hand Flashcards by Asia p | Brainscape

Q

Abductor pollicis brevis insertion

A

Proximal phalanx of thumb

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Q

Abductor pollicis brevis origin

A

Flexor retinaculum

Lateral carpals

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Q

Abductor pollicis brevis innervation

A

Recurrent bramch of median nerve

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Q

Abductor pollicis brevis action

A

Abducts thumb

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Q

Opponens pollicis origin

A

Flexor retinaculum

Lateral carpals

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Q

Opponens pollicis insertion

A

First metacarpal

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Q

Opponens pollicis innervation

A

Recurrent branch of median nerve

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Q

Opponens pollicis action

A

Opposes thumb

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Q

Flexor pollicis brevis origin

A

Flexor retinaculum

Lateral carpals

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Q

Flexor pollicis brevis insertion

A

Proximal phalanx of thumb

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Q

Flexor pollicis brevis innervation

A

Recurrent branch of median nerve

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Q

Flexor pollicis brevis action

A

Flexes thumb

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Q

Adductor pollicis origin

A

Third metacarpal

Carpals

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Q

Adductor pollicis insertion

A

Proximal phalanx of thumb

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Q

Adductor pollicis innervation

A

Deep branch of ulnar nerve

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Q

Adductor pollicis action

A

Adducts thumb

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Q

Abductor digiti minimi origin

A

Medial carpals

Q

Abductor digiti minimi insertion

A

Proximal 5th phalanx

Q

Abductor digiti minimi innervation

A

Deep branch of ulnar

Q

Abductor digiti minimi action

A

Abducts 5th digit

Q

Opponens digiti minimi origin

A

Flexor retinaculum

Medial carpals

Q

Opponens digiti minimi insertion

A

5th metacarpal

Q

Opponens digiti minimi innervation

A

Deep branch of ulnar nerve

Q

Opponens digiti minimi action

A

Opposes 5th digit

Q

Flexor digiti minimi brevis origin

A

Flexor retinaculum

Medial carpals

Q

Flexor digiti minimi brevis insertion

A

Proximal 5th phalanx

Q

Flexor digiti minimi brevis innervation

A

Deep branch of ulnar nerve

Q

Flexor digiti minimi brevis action

A

Flexes MP joint of 5th digit

Q

Lumbricals origin

A

Flexor digitorum profundus tendons

Q

Lumbricals insertion

A

Extensor expansion (same digit, runs along lateral side)

Q

Lumbricals innervation

A

Same as digitorum profundus
1-2 (digits 2-3) by median nerve
3-4 (digits 4-5) by deep branch of ulnar

Q

Lumbricals action

A

Flexes MP

Extends IP’s

Q

Dorsal interosseous origin

A

Adjacent metacarpals

Q

Dorsal interosseous insertion

A

Digits 2-4
Proximal phalanx
Extensor expansion

Q

Dorsal interosseous innervation

A

Deep branch of ulnar nerve

Q

Dorsal interosseous action

A

Abduct digits 2-4

Q

Palmar interosseous origin

A

Metacarpals (same digit)

Q

Palmar interosseous insertion

A

Digits 2,4,5
Proximal phalanx
Extensor expansion

Q

Palmar interosseous innervation

A

Deep branch of ulnar nerve

Q

Palmar interosseous action

A

Adduct digits 2,4,5