muscles of the hand 1 Flashcards
Abductor pollicis brevis ORIGIN
Flexor retinaculum
Abductor pollicis brevis INSERTION
Lateral side of proximal phalanx of thumb
Abductor pollicis brevis ACTION
Abducts thumb
Abductor pollicis brevis NERVE
Median; recurrent branch
Flexor pollicis brevis ORIGIN
Flexor retinaculum
Flexor pollicis brevis INSERTION
Lateral side of proximal phalanx of thumb
Flexor pollicis brevis ACTION
Flexes thumb
Flexor pollicis brevis NERVE
Median; recurrent branch
Opponens pollicis ORIGIN
Flexor retinaculum; tubercle of trapezium
Opponens pollicis INSERTION
Lateral side of 1st metacarpal
Opponens pollicis ACTION
Medially rotates metacarpal 1 to oppose thumb
Opponens pollicis NERVE
Median; recurrent branch
Adductor pollicis[Oblique head + Transverse Head] ORIGIN
[OH] bases 2nd and 3rd metacarpals; [TH] shaft of 3rd metacarpal
Adductor pollicis[Oblique head + Transverse Head] INSERTION
proximal phalanx of thumb
Adductor pollicis[Oblique head + Transverse Head] ACTION
Adducts thumb