Hand Flashcards by Steph Morton

Q

Flexor pollicis brevis origin

A

Flexor retinaculum, lateral carpals

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Q

Abductor pollicis brevis origin

A

Flexor retinaculum, lateral carpals

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Q

Opponens pollicis origin

A

Flexor retinaculum, lateral carpals

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Q

Adductor pollicis origin

A

3rd metacarpal, carpals

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Q

Flexor digiti minimi brevis origin

A

Flexor retinaculum, medial carpals

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Q

Abductor digiti minimi origin

A

Medial carpals

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Q

Opponens digiti minimi origin

A

Flexor retinaculum, medial carpals

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Q

Lumbricals origin

A

Tendons of flexor digitorum profundus

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Q

Dorsal interossei origin

A

Metacarpals

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Q

Palmar interossei origin

A

Metacarpals

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Q

Flexor pollicis brevis insertion

A

Proximal phalanx of thumb

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Q

Abductor pollicis brevis insertion

A

Proximal phalanx of thumb

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Q

Opponens pollicis insertion

A

1st metacarpal

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Q

Adductor pollicis insertion

A

Proximal phalanx of thumb

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Q

Flexor digiti minimi brevis insertion

A

Proximal phalanx of little finger

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Q

Abductor digiti minimi insertion

A

Proximal phalanx of little finger

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Q

Opponens digiti minimi insertion

A

5th metacarpal

Q

Lumbricals insertion

A

Extensor expansions of digits 2-5

Q

Dorsal interossei insertion

A

Extensor expansions and proximal phalanges of digits 2-4

Q

Palmar interossei insertion

A

Extensor expansions and proximal phalanges of digits 2, 4 and 5

Q

Flexor pollicis brevis innervation

A

Recurrent branch of median nerve

Q

Abductor pollicis brevis innervation

A

Recurrent branch of median nerve

Q

Opponens pollicis innervation

A

Recurrent branch of median nerve

Q

Adductor pollicis innervation

A

Deep branch of ulnar nerve

Flexor digiti minimi brevis innervation

Deep branch of ulnar nerve

Abductor digiti minimi innervation

Deep branch of ulnar nerve

Opponens digiti minimi innervation

Deep branch of ulnar nerve

Lumbricals innervation

1 and 2: Median nerve; 3 and 4: Deep br. of ulnar nerve

Dorsal interossei innervation

Deep branch of ulnar nerve

Palmar interossei innervation

Deep branch of ulnar nerve

Flexor pollicis brevis action

Flexes thumb

Abductor pollicis brevis action

Abducts thumb

Opponens pollicis action

Opposes thumb

Adductor pollicis action

Adducts thumb

Flexor digiti minimi brevis action

Flexes little finger (at MP joint)

Abductor digiti minimi action

Abducts little finger

Opponens digiti minimi action

Opposes little finger

Lumbricals action

Flex digits at MP joints, extend digits at IP joints

Dorsal interossei action

Abduct digits 2-4

Palmar interossei action

Adduct digits 2, 4, 5