SPA Info...   SPA Home   About SPA   SPA Physicians   SPA Locations   Employment Opportunities   Email Updates   Patient Survey   Work Comp   Orthopaedic Education     SPA Groups...   DFP   JCO   KCBJ   OPA   RO

A. Sever’s Disease AKA Calcaneal Apophysitis Most prevalent in adolescent boys, 8 to 13 years Etiology is felt due to acute or chronic strain of Achilles tendon on the unfused posterior apophysis of the calcaneus Cartilaginous apophysis is subject to shearing stress of the gastrocnemius due to vertical orientation Cartilage is weaker, more vulnerable structure Contusion can occur with fall or trauma Previous slide Next slide Back to first slide View graphic version