- Patients with first acute ankle sprain episode in the last six months classified as
grade I or II, confirmed by X-rays, according to the following definitions:
- Grade I: When the ligament is stretched but not torn and the anterior talofibular
ligament is usually involved. The anterior draw test is negative.
- Grade II: Moderate sprains which usually result in partial tears af the ligaments,
primarily the anterior talofibular and possibly the calcaneofibular ligament.
Ligamentous laxity may be present and there is moderate swelling.
- Patients who have a similar injury of the same joint within the last six months; or
- clinical evidence of complete rupture of ankle ligaments (third degree sprain), or
- requirements for bed rest, hospitalization, surgical intervention for the ankle
- evidence of fractures; or non-removable full cast of any tipe; or
- presence of bilateral occurrence of ankle injury or ipsilateral ankle and knee injury.