Performance Therapy — muscle energy techniques

What is the gastrocnemius? The gastrocnemius is part of the composite muscle known as the triceps surae, which forms the prominent contour of the calf. The triceps surae comprises the gastrocnemius, soleus, and plantaris. The popliteal fossa at the back of the knee is formed inferiorly by the bellies of the gastrocnemius and plantaris, laterally by the tendon of the biceps femoris, and medially by the tendons of the semimembranosus and semitendinosus. Trigger points in the gastrocnemius are typically associated with calf pain/stiffness, nocturnal cramps, foot pain (instep), and pain in the back of the knee on mechanical activity.  ...