Week five OIA Upper E Flashcards
Origin of adductor pollicis
Capitate, 2nd and 3rd metacarpal
2-3 got capitated
Insertion of adductor pollicis
The base of the proximal phalange of the thumb
Action of adductor pollicis
Adducts thumb at MCP and CMC, assists in flexion thumb
Origin of flexor pollicis brevis
Superficial: flexor retinaculum
Deep: trapezium, trapezoid capitate
FT, TTC
Top 3 pinky side nuckles
Insertion of flexor pollicis brevis
Base of proximal phalange of the thumb
Action of flexor pollicis brevis
Flex thumb at MCP and CMC, assist in opposition of the thumb
Origin of abductor pollicis brevis
Flexor retinaculum, trapezium, scaphoid tubercles
FR, scate away from the trapezium
Insertion of abductor pollicis brevis
Base of proximal phalange of thumb
Action of abductor pollicis brevis
abducts thumb, assist opposition thumb
Origin of opponens pollicis
flexor retinaculum and tubercle trapezium
FR and trapezium
Insertion of opponens pollicis
Entire length of 1st metacarpal, radial
The action of opponens pollicis
opposition of thumb at CMC
Origin of flexor digiti minimi brevis
Hook of hamate, flexor retinaculum
HH and FR
Insertion of flexor digiti minimi brevis
Base of proximal 5th phalange, palmar surface
Action of flexor digiti minimi brevis
Flextion of 5th finger, assist opposition of thumb