Muscle tivitching or painful cramping usually following heavy exercise with profuse sweating. The legs, arms and abdominal muscles are the most often affected.

Muscle cramps that occur during or following exercise in warm or hot weather.

muscle cramps or spasms, usually afflicting the abdomen or legs, caused by exercising in hot weather.

Painful muscle spasms of the arms or legs caused by excessive body heat and depletion of fluids and elctrolytes.

Extremely high temperatures can cause muscular pains and spasms called heat cramps. Heat cramps don't usually require emergency medical attention but is an early sign that the body is having difficulty with heat.

painful muscle cramps and spasms caused by exercise and sweating in high heat. It is the mildest form of heat injury.

painful muscular cramps following prolonged exercise in the ehat without water or salt replacement.

Muscle spasms in the arms, legs, or abdomen that occur when the body loses too much fluid through sweating.