Surgical Correction of the Cavovarus Foot Deformity with Utilization of Osteotomy and Arthrodesis Technique

Cavovarus is a complex deformity characterized by a high arch and overall cavus foot deformity resulting from plantar flexion and adduction of the forefoot, increased calcaneal pitch, and most importantly hindfoot varus. There is a common misconception that all cavovarus foot types are derived from neuromuscular causes manifested in childhood. Due to this misconception the diagnosis of cavovarus foot is often overlooked in adults, particularly if it is a subtle deformity. This chapter will discuss the multiple non-neurologic and neurologic causes behind a cavovarus foot deformity in the adult patient. We will also demonstrate how to recognize and treat those difficult deformities using surgical techniques. Discussion should be centered around tendon and capsular balancing, muscle transfer, osteotomy, and arthrodesis.