Past injury to an area of your body greatly increases your chance of injuring that area again. Only 50 percent of sports injuries are new injuries the rest are recurrences of earlier problems. To reduce the risk. Recognize why the injury occurred – In the first instance, so you can avoid making a similar mistake in the future. If your injury is connected to overtraining, for example , take things more slowly and include more rest days in the future. Wait Until your fully recovered before placing the injured area under stess.Many people resume exercise too early. Strengthen the area involved before resuming exercise. Even after the injury has healed, the area will be less flexible and the muscles around the injury weaker. You may need a programmed of rehabilitation to rebuild strength. A Physiotherapist can provide you with tailored advice on safe rehabilitation For some examples of exercises to strengthen your knee