A flexor directs an appendage forward; an exception is the gastrocnemius in this part of the leg
The tendo calcaneus, the common tendon of the Gastrocnemius and 
Soleus,... [DOC] [TLE] Gastrocnemius Muscle (Medial Head) - InnerBody [PAR] The heads of the gastrocnemius muscle work together to plantarflex the foot at 
the ... joint and descends the leg parallel to the lateral head of the gastrocnemius.