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Site of attachment of the Achilles tendon to the calcaneal tuberosity. Right calcaneal tuberosity, posterior view. The calcaneal tuberosity was divided into three parts: superior facet, middle facet, and inferior facet. Blue, fibers from the lateral head of the gastrocnemius; green, retrocalcaneal bursa; red, fibers from the medial head of the gastrocnemius; yellow, fibers from the soleus muscle.
