Wrist and Hand

distal radius/ulna with proximal carpals

condyloid (biaxial) and true wrist joint

intercarpal joint

gliding joint

carpometacarpal joint

saddle joint at phalange #1, but gliding at others

metacarpophalangeal joint

condyloid joint

interphalangeal joint

hinge joint

wrist

carpi

wrist flexion

anterior muscle

wrist extension

posterior muscle

flexor carpi ulnaris

prime motion is wrist flexion (ulnar side) and ulnar deviation

flexor carpi radials

prime motion is wrist flexion (radial side) and radial deviation

palmaris longus

prime motion is wrist flexion

extensor digitorum communis

prime motion extends phalanges #2-5

extensor digiti minimi

prime motion extends only phalange #5 (pinky)

extensor digiti indicis

prime motion extends only phalange #2 (pointer finger)

flexor digitorum superficialis

prime motion is flexion of only MCP

flexor digitorum profundus

prime motion is flexion of MCP, IP and DIP

flexor pollicis

prime motion is flexion of phalange #1 (thumb) and IP and MCP

abductor pollicis

prime motion is abduction of phalange #5 (thumb)

extensor pollicis longus

prime motion is extension of only IP

extensor pollicis brevis

prime motion is extension of only MCP (thumb)