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n. The largest, most prominent muscle of the calf of the leg, the action of which extends the foot and bends the knee.

n. The muscle at the back of the calf, whose insertion is the Achilles tendon at the heel.

n. The muscle which makes the greater part of the calf of the leg.

n. A superficial muscle of the posterior tibial region, arising from the femur and inserted into the tarsus, the action of which extends the foot upon the leg, and flexes the leg upon the thigh: so called from its character in man, in whom it forms, together with the soleus, the protuberant or “bellying” part of the calf of the leg.

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

"Compared with a control group of women who usually wore flat shoes, the stiletto wearers 'Achilles tendons were about 20% stiffer, and the fibers of the gastrocnemius muscle in their calves were about 12% shorter."

striated muscle    skeletal muscle   

gastrocnemius internus    gastrocnemius externus   

gastroc   

adductor    flexor    quadriceps    extra-ocular    ciliary    dilator    levator    fasciae    latissimus    puborectalis