Background: The optimal management for severe sprains (Grades II and III) of the lateral ligament complex of the ankle is unclear. The aims of this randomised controlled trial are to estimate (1) the clinical effectiveness of three methods of providing mechanical support to the ankle (below knee cast, Aircast ® brace and Bledsoe ® boot) in comparison to Tubigrip ® , and (2) to compare the cost of each strategy, including subsequent health care costs.
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