NCIt definition : A small muscle that courses along the posterior aspect of the leg as part of the posterosuperficial
compartment of the calf. This muscle originates from the lateral supracondylar line
of the femur superior and medial to the lateral head of the gastrocnemius muscle as
well as from the oblique popliteal ligament in the posterior aspect of the knee.;
Alternative definition : CDISC: A superficial muscle in primates between the soleus and the gastrocnemius;
primary function is flexion of the tarsus and femorotibial joint.;