The calcaneal tuberosity is the posterior projection of the calcaneus that serves as the insertion of the Achilles tendon (at its posterosuperior surface) and the origin of the plantar intrinsic muscles (at its plantar surface). The retroCalcaneal bursa lies between the superior tuberosity and the Achilles tendon. Haglund's deformity (posterosuperior calcaneal prominience) causes retrocalcaneal bursitis and insertional Achilles pathology.
An expanded entry for Calcaneal Tuberosity.
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| Ossification | The calcaneal apophysis (Sever's disease) ossifies and fuses between 8-16 years. Traction apophysitis produces posterior heel pain in active adolescents. |
Haglund's deformity, the posterosuperior calcaneal bony prominence, produces retrocalcaneal bursitis from shoe counter impingement. Calcaneal osteotomy removing the posterosuperior prominence (Zadek osteotomy) combined with Achilles detachment, intratendinous debridement, and reattachment is the surgical treatment for refractory insertional Achilles tendinopathy.
Traction apophysitis of the calcaneal apophysis in active children aged about 8-14, causing heel pain with running and jumping.
Forceful Achilles contraction avulses a fragment of the tuberosity, usually in older adults with osteoporotic bone.
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