Muscles that act on the digits within the hand Flashcards Preview

Muscles > Muscles that act on the digits within the hand > Flashcards

Flashcards in Muscles that act on the digits within the hand Deck (8)
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1
Q
A

Abductor pollicis longus

Abducts and extends thumb

2
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A

Abductor digiti minimi

Abducts little finger

3
Q
A

Lumbricals

Flex fingers at metacarpophalangeal joints but extend fingers at interphalangeal joints

4
Q
A

Interossei

Palmar: adduct fingers

Dorsal: Abduct (diverge) fingers

5
Q
A

Abductor pollicis brevis

Abducts thumb

6
Q
A

Adductor pollicis

Adducts and helps to oppose thumb

7
Q
A

Opponens pollicis

Opposition: moves thumb to touch tip of little finger

8
Q
A

Opponens digiti minimi

Flex and rotate little finger, bringing little finger and thumb into opposition