<unk>  occurs at a ratio of 2:1 in females, and are considered to have a multifactorial inheritance pattern. Further, the incidence according to race varies, with a rate of 0.1% in Caucasian populations, 1.6% in African American populations, and over 8% in certain West African tribes.
Carpal coalition
Tarsal coalition
Back strain
Fibrous ankylosis
Calcaneal spur
Radioulnar synostosis
Radial dysplasia
Calcaneal fracture