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Gross Anatomy Block 3 > Actions Of The Hand > Flashcards

Actions Of The Hand Flashcards

1
Q

What muscles extend the thumb at the MP joint?

A

Extensor pollicis brevis

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2
Q

What muscles extend the thumb at the IP joint?

A

Extensor pollicis longus

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3
Q

What muscles extend the digits at MP joints?

A

Extensor digitorum
Extensor indicis
Extensor digiti minimi

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4
Q

What muscles extend the digits at DIP & PIP joints?

A

Lumbricals
Palmar interossei
Dorsal interossei

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5
Q

What muscles flex the thumb at IP joint?

A

Flexor pollicis longus

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6
Q

What muscles flex the thumb at MP joint?

A

Flexor pollicis brevis

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7
Q

What muscles flex the digits at MP joints?

A

Lumbricals
Flexor digiti minimi brevis
Palmar interossei
Dorsal interossei

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8
Q

What muscles flex the digits at DIP joints?

A

Flexor digitorum Profundus

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9
Q

What muscles flex the digits at PIP joints?

A

Flexor digitorum superficialis

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10
Q

What muscles oppose the thumb at CM joint?

A

Opponens pollicis

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11
Q

What muscles oppose the 5th finger at CM joint?

A

Opponens digiti minimi

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12
Q

What muscles abduct the thumb at the CM joint?

A

Abductor pollicis longus

Abductor pollicis brevis

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13
Q

What muscles abduct the digits at the MP joints?

A

Dorsal interossei 2/3/4 fingers

Abductor digiti minimi

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14
Q

What muscles adduct the thumb at the CM joint?

A

Adductor pollicis

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15
Q

What muscles adduct the digits at MP joints?

A

Palmar interossei 2/4/5 fingers

Dorsal interosseous 3rd finger

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Gross Anatomy Block 3 (8 decks)

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