Hamstring Injuries

Hamstring Injuries

Hamstring injuries are common among athletes who play sports that require powerful accelerations, decelerations or lots of running. The hamstring muscles run down the back of the leg from the pelvis to the bones of the l

ower leg. The three specific muscles that make up the hamstrings are the biceps femoris, semitendinosus and semimembranosus. Together these powerful knee flexors are known as the hamstring muscle group. An injury to any of these muscles can range from minor strains, a pulled muscle or even a total rupture of the muscle.

Symptoms of a Hamstring Injury

A hamstring injury typically causes a sudden, sharp pain in the back of the thigh that may stop you mid-stride. After such an injury, the knee may not extend more than 30 to 40 degrees short of straight without intense pain. Like most sprains and strains hamstring injuries are usually caused by excessive stretching (tearing) of muscle fibers or other soft tissues beyond their limits.

Severity of a Hamstring Injury
Hamstring strains are classified as 1st (mild), 2nd (moderate), or 3rd (severe) degree strains depending on the extend of the muscle injury.

Mild (Grade I) Hamstring Injury
Muscle stiffness, soreness and tightness in the back of the thigh.
Little noticeable swelling.
A normal walking gait and range of motion with some discomfort.
Flexing the knee to bring the heel up

Moderate (Grade II) Hamstring Injury
Gait will be affected-limp may be present .
Muscle pain, sharp twinges and tightness in the back of the thigh.
Noticeable swelling or bruising.
Painful to the touch.
A limited range of motion and pain when flexing the knee.

Severe (Grade III) Hamstring Injury
Pain during rest which becomes severe with movement
Difficulty walking without assistance.
Noticeable swelling and bruising.

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Posted on December 10, 2012, in Uncategorized and tagged , , , , , , , . Bookmark the permalink. Leave a comment.

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