<Tr> <Th> FMA </Th> <Td> 51061 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> The Achilles tendon or heel cord, also known as the calcaneal tendon, is a tendon of the back of the leg, and the thickest in the human body . It serves to attach the plantaris, gastrocnemius (calf) and soleus muscles to the calcaneus (heel) bone . These muscles, acting via the tendon, cause plantar flexion of the foot at the ankle, and (except soleus) flexion at the knee . </P> <P> Abnormalities of the Achilles tendon include inflammation (Achilles tendinitis), degeneration, rupture, and becoming embedded with cholesterol deposits (xanthomas). </P>

The gastrocnemius muscle attaches to which tarsal bone via the achilles tendon