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Similarly the average age of non-sporting hamstring strains are from the ages of 40–60. [8] Many of these non-sporting injuries are sustained during road traffic accidents, slipping, and falling. [8] These results also show that hamstring strains account for 50% of muscle injuries received by sprinters and are the most common injury in ...
The 18- to 44-year-old age group was found to have the highest injuries reported (figure 1). One reason why this age group consists of the majority of injuries to the PCL is because people are still very active in sports at this age. Men were also reported having more injuries to the PCL (figure 3). [citation needed]
A strain is a type of acute injury that occurs to the muscle or tendon. Similar to sprains, it can vary in severity, from a stretching of the muscle or tendon to a complete tear of the tendon from the muscle. Some of the most common places that strains occur are in the foot, back of the leg (hamstring), or back. [2]
Postsurgical rehabilitation is essential in the recovery from the reconstruction. This typically takes a patient 6 to 12 months to return to life as it was prior to the injury. [16] The rehab can be divided into protection of the graft, improving range of motion, decrease swelling, and regaining muscle control. [16]
[4] [8] The overall incidence of a hamstring injury in sports and professional dancers is about two per 1000 hours of performance. [4] In some sports, a hamstring injury occurs at the incidence of 19% of all sports injuries, and results in an average time loss from competition of 24 days. [4]
With delayed onset muscle soreness (DOMS) caused by eccentric exercise (muscle lengthening), it was observed that light concentric exercise (muscle shortening) during DOMS can cause initially more pain but was followed by a temporary alleviation of soreness with no adverse effects on muscle function or recovery being observed.
Unlike the patellar ligament, the hamstring tendon's fixation to the bone can be affected by motion after surgery. Therefore, a brace is often used to immobilize the knee for one to two weeks. Evidence suggests that the hamstring tendon graft does as well, or nearly as well, as the patellar ligament graft in the long term. [10]
The hamstring muscle group is made up of the biceps femoris, semitendinosus muscle, and the semimembranosus. [2] It facilitates both the flexing of the knee and hip extension, [3] making it a vital contributor to normal leg-movement. By severing these muscles or the tendons involved in this process, normal leg-movement is disrupted.