Sharp knee pain while you run that does not have an obvious cause---such as a blow to your knee---is likely due to an overuse injury that happens during the repeated pounding that your knees take on a run. Distance runners most often suffer sharp...
Pulling a hamstring is a fairly common injury and the severity of the injury will become obvious to you. Three large muscles form the hamstrings. Their function is to extend and flex the hips. Biking can be OK if you have a minor injury and little...
The hamstring muscle group helps you to extend your leg and bend your knee, the American Academy of Orthopaedic Surgeons explains. The hamstring muscles run down the back of your thigh and include the semitendinosus, semimembranosus, and the...
The hamstrings, located on the posterior thigh, consist of biceps femoris, semitendinosus and semimembranosus. The most common injuries to the hamstrings are strains and tears, which typically occur in sprinting activities with lots of stops and...
Your biceps and triceps are the two muscle groups of your upper arm. Don't confuse the biceps brachii, the formal name for the biceps muscles in the arm, with the biceps femoris, which is part of the hamstring muscle that runs up the back of the...
The hamstring muscles are on the back of the thigh, a group composed of three long muscles: the semitendinosus, the semimembranosis and the biceps femoris that run from the bottom of the buttocks to the back of the knee. Hamstring injuries are...
There are many causes of posterior knee pain or pain in the back of the knee. According to the U.S. National Library of Medicine and the National Institutes of Health, or NIH, knee pain--including posterior knee pain--may be caused by repetitive...
Your legs are made up of dozens of muscles. Some of these muscles are long and narrow, others short and thick. Each helps you walk, run, jump and bend down. The back of your thigh is made up of hamstrings, a group of three major muscles, one of...
Your hamstrings are a hard-working group of muscles. As major muscles involved in locomotion, they are active when you walk, run, cycle, climb stairs or even pick up your kids. They tend to work with your glutes and quadriceps to perform...
Numerous conditions can cause lateral hamstring tendinopathy. The term tendinopathy describes an injury to a tendon. Tendons consists of a fibrous material, connect muscle to bone and help move joints. There are two principle types of...
The pain you're experiencing along the back of the knee while cycling is likely the result of something known as biceps tendinosis. Also referred to as biceps femoris tendinopathy, it's often marked by an inflammation of the tendon that connects...
Your hamstrings are the group of muscles in the back of your upper legs. The three muscles within this group are the semiteninosus, semimembranosus and biceps femoris. These muscles work to bend your knee and extend your hip. Injury can occur in...
Hamstring tears, also known as strains or pulls, occur in the hamstring muscles of the back of the upper leg. According to Sports Injury Clinic, hamstring muscles are made up of three muscles: the semitendinosus, semimembranosous and biceps...
A hamstring contusion, or bruise, signals an injury to the back of the thigh. The biceps femoris, semimembranosus and semitendinosus make up the hamstring muscles. You use them to bend your knee back and whenever you extend your hip. Athletes and...