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Tourniquet-induced restriction of the quadriceps muscle mechanism
The Journal of Bone and Joint Surgery
M any knee surgeons flex the knee and sometimes also extend the hip before inflating a tourniquet on the thigh. This practice stems from the belief that these manoeuvres prevent excessive strain on the quadriceps during surgery, the assumption being that movement of the muscle is restricted by an inflated tourniquet. We therefore examined, using ultrasound, the movement of the quadriceps muscle above and below the tourniquet before and after inflation. We applied a tourniquet of standard sizedoi:10.1302/0301-620x.84b6.13045 pmid:12211677 fatcat:hv65q3axwnaq7d25sa3s2s6zb4