A muscle strain (muscle pull or tear) is a common injury, particularly among people who participate in sports.
The thigh has three sets of strong muscles: the hamstring muscles in the back of the thigh, the quadriceps muscles in the front, and the adductor muscles on the inside. The quadriceps muscles and hamstring muscles work together to straighten (extend) and bend (flex) the leg. The adductor muscles pull the legs together.
The hamstring and quadriceps muscle groups are particularly at risk for muscle strains because they cross both the hip and knee joints. They are also used for high-speed activities, such as track and field events (running, hurdles, long jump), football, basketball, and soccer.Hamstring muscles at the back of the thigh. Quadriceps muscles at the front of the thigh.
Muscle strains usually happen when a muscle is stretched beyond its limit, tearing the muscle fibers. They frequently occur near the point where the muscle joins the tough, fibrous connective tissue of the tendon. A similar injury occurs if there is a direct blow to the muscle. Muscle strains in the thigh can be quite painful.
Once a muscle strain occurs, the muscle is vulnerable to reinjury. It is important to let the muscle heal properly and to follow preventive guidelines from your doctor.Symptoms
A person who experiences a muscle strain in the thigh will frequently describe a popping or snapping sensation as the muscle tears. Pain is sudden and may be severe. The area around the injury may be tender to the touch, with visible bruising if blood vessels are also broken.Doctor Examination
Your physician will ask about the injury and examine your thigh for tenderness or bruising. You may be asked to bend or straighten your knee and/or hip so the doctor can confirm the diagnosis.
An x-ray may be needed if there is a possible fracture or other injury to the bone. Muscle strains are graded according to their severity. A grade 1 strain is mild and usually heals readily, whereas a grade 3 strain is a severe tear of the muscle that may take months to heal.Treatment
Most muscle strains can be treated with the RICE protocol. RICE stands for Rest, Ice, Compression, and Elevation.
Your doctor may recommend a non-steroidal anti-inflammatory medication, such as ibuprofen for pain relief. As the pain and swelling subside, physical therapy will help improve range of motion and strength. The muscle should be at full strength and pain-free before you return to sports. This will help prevent additional injury.Prevention
Several factors can predispose you to muscle strains, including:
You can take the following precautions to help prevent muscle strain:
If you found this article helpful, you may also be interested in Hamstring Muscle Injuries.
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