WordNet
gastrocnemius muscle
n. the muscle in the back part of the leg that forms the greater part of the calf; responsible for the plantar flexion of the foot [syn: gastrocnemius]
Wikipedia
Gastrocnemius muscle
In humans, the gastrocnemius muscle ( or ; plural gastrocnemii; Latin, from Greek γαστήρ "stomach" and κνήμη (knēmē) "leg"; meaning "stomach of leg" (referring to the bulging shape of the calf) is a very powerful superficial bipennate muscle that is in the back part of the lower leg. It runs from its two heads just above the knee to the heel, a two joint muscle.
Usage examples of "gastrocnemius muscle".
It kept talking about extensors and flexors, the gastrocnemius muscle, and so on.