Extensor carpi ulnaris

Schematic anatomy
Extensor carpi ulnaris

Biceps

Long headShort headBrachialis · supporting muscle

Triceps

Long headLateral headMedial head

Forearms

BrachioradialisFlexor carpi radialisFlexor carpi ulnarisFlexor digitorum superficialisFlexor digitorum profundusFlexor pollicis longusExtensor carpi radialis longus & brevisExtensor carpi ulnarisExtensor digitorumExtensor pollicis longus & brevisAbductor pollicis longusPronator teresPronator quadratusSupinator

Hands

Abductor pollicis brevisFlexor pollicis brevisOpponens pollicisAdductor pollicisHypothenar musclesLumbricalsDorsal interosseiPalmar interossei
Movement guide

Extensor carpi ulnaris

Extends the wrist and moves it toward the little-finger side.

01

Wrist extension with ulnar bias

Wrist control · Light dumbbell

Also works

Other wrist extensors; flexor carpi ulnaris assists ulnar deviation

How to perform

With forearm supported palm-down, lift the wrist slightly toward the little-finger side. Return with control.

Use a small motion without swinging the elbow.

Example volume · 2 sets × 10–15 reps

Referenceswww.guysandstthomas.nhs.uk

Community draft · awaiting expert review