Background
Definition
A fixed equinus deformity of the forefoot in relation to the hindfoot
- resulting in an abnormally high arch that fails to flatten with weight bearing
- deformity may be forefoot, hindfoot or combination


Aetiology
A fixed equinus deformity of the forefoot in relation to the hindfoot
- resulting in an abnormally high arch that fails to flatten with weight bearing
- deformity may be forefoot, hindfoot or combination


Prevalence of 25-100%
Ambulation
- walking decreases incidence
Age
- worse with young onset
Exact biomechanical explanation of origin & progression of curves unclear
Associated with
- weakness
- poor muscle control
- no proprioception