Place a word or phrase from the left into each blank in a sentence on the right to make it correct.- The only muscle of the lower leg that flexes the knee and plantar flexes the foot is the GASTROCNEMIUS muscle.- The gastrocnemius muscle and the SOLEUS muscle both insert on the calcaneus via the calcaneal tendon.- Using the great toe to push off for walking is achieved by contracting the FLEXOR HALLUCIS LONGUS muscle.- The muscles of the posterior compartment of the leg all contribute to PLANTAR FLEXION of the foot.