Which Is an Action of the Extensor Digitorum Brevis

Multiple Choice

Which is an action of the extensor digitorum brevis?

A) flexion of toes two through four at the metatarsophalangeal and interphalangeal joints
B) flexion of fingers two through four at the metacarpophalangeal and interphalangeal joints
C) extension of toes two through four at the metatarsophalangeal and interphalangeal joints
D) extension of fingers two through five at the metacarpophalangeal and interphalangeal joints