Extensor digitorum brevis muscle

Extensor digitorum brevis muscle
The mucous sheaths of the tendons around the ankle. Lateral aspect. (Extensor dig. brevis labeled at upper right.)
Animation
Details
OriginDorsal surface of calcaneus
InsertionProximal dorsal region of middle phalanges 2, 3 and 4
ArteryDorsalis pedis artery
NerveDeep fibular nerve
ActionsExtends digits 2 through 4
AntagonistFlexor digitorum longus, flexor digitorum brevis
Identifiers
Latinmusculus extensor digitorum brevis
TA98A04.7.02.055
TA22671
FMA51140
Anatomical terms of muscle

The extensor digitorum brevis muscle (sometimes EDB) is a muscle on the upper surface of the foot that helps extend digits 2 through 4.