Answer:
gastrocnemius
Step-by-step explanation:
Gastrocnemius muscles are attached at the back side of the lower leg. It is one of the major muscles that form the calf. Gastrocnemius muscles along with the soleus connect at two portions – a) Knee and b) the heel. It has two major branches a) medial heads and b) lateral heads and helps in bending the knee while walking. It flexes the muscle while walking and connect to the strongest tendon i.e Achilles tendon