gastrocnemius

US /ˌɡæs.troʊˈkniː.mi.əs/
UK /ˌɡæs.troʊˈkniː.mi.əs/
1.

dạ dày

the outer calf muscle that goes from the back of the knee to the heel:

:
•
Leg cramps cause shortening of the gastrocnemius muscle in the calf.