Flashcards

Hand muscles

deo555 Muscle System English 10 cards

Cards in this deck (10)

1Abductor pollicis brevisIn the superficial layer on the anterior side of the hand. This muscle attaches to the outer side of the base of the proximal phalanx of the thumb; with the palm facing up, it pulls the thumb upward, away from the palm and the fingers.
2Flexor pollicis brevissuperficial layer on the anterior of the hand. This muscle attaches to the base of the proximal phalanx of the thumb; it flexes the thumb's metacarophalangeal joint.
3Flexor digiti minimi brevisSuperficial layer on the anterior of the hand. Muscle of the little finger; it flexes the little finger's metacarophalangeal joint.
4Abductor digiti minimiSuperficial layer of the anterior/posterior of the hand. Muscle that pulls the pinky away from the hand.
5Opponens pollicisDeep layer on the anterior of the hand. Opposer of the thumb; it attaches to the outer border of the thumb's metacarpal and pulls that metacarpal across the palm-in a movement called opposition.
6Adductor PollicisDeep layer on the anterior side of the hand. This muscle attaches to the proximal phalanx of the thumb and pulls the abducted(bent) thumb back in towards the palm.
7Opponens Digiti MinimiDeep layer of the anterior of the hand. Opposer of the little finger; it draws the metacarpal of the little finger towards the palm.
8Palmer interosseous musclesDeep layer on the anterior of the hand. Interosseous means between bones; these muscles lie in the gaps between the metacarpals. They adduct (bring together) the fingers.
9Abductor digiti minimiSuperficial layer of the posterior of the hand. This muscle on the pinky side is considered part of both the anterior and posterior.
10Dorsal interosseous musclesSuperficial layer and Deep Layer of the posterior of the hand.