Hamstring Sprains and Strains
A hamstring strain or hamstring sprain is tissue damage that causes pain and inflammation. These injuries can be caused by an acute injury in which the tissue is stretched or twisted beyond the limits or by a chronic injury that occurs with excessive use over time. The type of tissue that is damaged determines if it is a sprained hamstring or a strain.
Sprains are injuries to ligaments, the thick fibrous tissue that connects one bone to another. Strains occur in muscles and tendons, the tissue that connects muscles to bones. A hamstring pull is a strain in one of the 3 hamstring muscles or the adjoining tendon; biceps femoris, semitendinosus, or semimembranosus.
Hamstrings are very long muscles that cross 2 joints (your hip and knee) and are called upon to work for many daily activities. Strains in the hamstrings (also called a pulled hamstring, thigh pull, or leg pull) are one of the most common injuries in vigorous sports activities and among runners; 33% of lower body injuries for those between 16-25 years of age are hamstring injuries.
Hamstring muscles in the back of the thigh, the quadriceps muscles in the front, and the adductor muscles on the inside of the hip and upper leg are responsible for the trunk and legs' multi-directional movements.
The biceps femoris hamstring muscle is the most frequently injured, as it suffers the largest stretch during sprinting, followed by the semitendinosus muscle. If you have a multi-muscle injury, it normally occurs at the point where your hamstring muscles and tendons meet (musculotendinous junction) at the top of the hamstring muscles. However, hamstring pulls can also occur at any place along the hamstring muscle bellies or in the tendon that attaches the muscle to the bones.
Learn More About Hamstring Strain
Hamstring Strain Causes
Hamstring Strain Symptoms
Hamstring Strain Progression (Grades of Strain)
Hamstring Strain Diagnosis
Hamstring Strain Medications
Hamstring Strain Home Treatments
Hamstring Strain Surgery
Hamstring Strain Post-Surgery Recovery
Hamstring Strain Prevention
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