Quiz 4: Hand muscles origin, insertions, actions, innervation
adductor pollicis origin
capitate, 2nd and 3rd metacarpal
extensor pollicis longus actions
extends all joints of thumb
lumbricals insertion
extensor digitorum tendons
flexor digiti minimis brevis actions
flexes CMC and MCP of small finger
flexor pollicis brevis actions
flexes CMC and MCP of thumb
lumbricals actions
flexes MCP, extending PIP and DIP of digits 2-5
flexor pollicis longus actions
flexes all joints of thumb
lumbricals origin
flexor digitorum profundus tendon
flexor pollicis longus innervation
median
opponens digiti minimi actions
opposes small finger
abductor pollicis longus origin
posterior surface of radius and ulna
flexor pollicis longus origin
radius
abductor pollicis brevis origins
scaphoid, trapezium, flexor retinaculum
extensor pollicis longus origin
ulna
abductor digiti minimi innervation
ulnar
adductor pollicis innervation
ulnar
dorsal interossei innervation
ulnar
flexor digiti minimis brevis innervation
ulnar
opponens digiti minimi innervation
ulnar
palmar interossei innervation
ulnar
opponens pollicis insertion
1st metacarpal
abductor digiti minimi actions
abducts MCP of small finger
abductor pollicis longus actions
abducts and extends thumb
dorsal interossei actions
abducts digits
abductor pollicis brevis actions
abducts thumb
palmar interossei action
adducts digits
adductor pollicis actions
adducts thumb
abductor pollicis longus insertion
base of first metacarpal
palmar interossei origin
base of metacarpals
palmar interossei insertion
base of proximal phalanx
extensor pollicis longus insertion
distal phalanx of thumb
flexor pollicis longus insertion
distal phalanx of thumb
extensor digiti minimi actions
extends the 5th finger
opponens digiti minimi origin
hamate
abductor pollicis brevis innervation
median
flexor pollicis brevis innervation
median
opponens pollicis innervation
median
lumbricals innervation
median and ulnar
opponens digiti minimi insertion
metacarpal shaft of 5th digit
opponens pollicis actions
opposition of thumb
abductor digit minimi origin
pisiform
dorsal interossei insertion
proximal phalanx
abductor digiti minimi insertion
proximal phalanx of 5th digit
abductor pollicis brevis insertion
proximal phalanx of thumb
adductor pollicis insertion
proximal phalanx of thumb
flexor pollicis brevis insertion
proximal phalanx of thumb
abductor pollicis longus innervation
radial
extensor pollicis longus innervation
radial
dorsal interossei origin
side of metacarpals
opponens pollicis origin
trapezium and flexor retinaculum
flexor pollicis brevis origin
trapezium, trapezoid, capitate and flexor retinaculum