Grrick and Requa concluded in 1973 in a clinical study that taping did indeed decrease the risk of ankle sprain although athlete and coach are sometime concerned that the useof such device may reduce performance , Burk et al found that such reduction were only 4% on less on several performance test . In a 1985 prospective study , Tropp et al , compare the incidence of ankle sprain among a control group of soccer player those protected with a special brace and those given a coordination training program on an ankle disc for 10 week . among athlete who has a history of prior ankle injury, the incidence of sprain was 2% in the brace group and 3% in the disc-trained group compared to 25% in the control . among the athlete with no history of ankle injury , neither the brace nor training appear to reduce the risk of injury . based on these study, it thus appear advisable to rehabilitate ankle sprain using a method that is design to restore strength and proprioception and to protect these athletes this taping or bracing . recent study show that early rehabilitation with functional bracing for acute grade 1,2 ankle sprain produces result as good as cast immobilization with more rapid return to activity .