type 1

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

Background

The coronoid is the most important portion of ulno-humeral articulation

Reasons

1.  Provides anterior buttress

2.  Anterior capsule and brachialis attach to coronoid

2.  Anterior band of the MCL attaches to it

- distally and medially on sublime tubercle