Share |

Muscle

Abnormal muscle in the popliteal fossa
Figure 1: Dissection of the left popliteal fossa showing the additional muscle. (BF–biceps femoris; SM–semimembranosus; TN–tibial nerve; ST–semitendinosus; CPN–common peroneal nerve; LHG–lateral head of gastrocnemius; AM–additional muscle; MHG–medial head of gastrocnemius; SN–sural nerve).