Hamstring cramps may have a variety of causes, such as muscle strain, mineral deficiency, or dehydration. Treatment and prevention techniques include stretching and massaging, among others. Hamstring ...

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

The mysteries of muscle cramps abound. Affecting everyone from everyday runners to the the San Francisco 49ers and international soccer stars, most experts still ask what causes cramps and how we can ...