Cramps are muscle contraction shortening or contraction of a set of muscles that occurs suddenly and briefly, which usually causes pain.
CAUSE
Cramps are common in a healthy person, especially after heavy activity.
Several other people suffered leg cramps at night while sleeping.
Cramps can be caused by lack of blood flow to the affected muscles.
SYMPTOMS
Cramping is most common in the calf or leg muscles.
Diagnosis
Diagnosis based on symptoms.
TREATMENT
Cramps are usually harmless and do not need to be treated.
PREVENTION
Cramps can be prevented by avoiding exercise after eating and stretch the muscles before exercise and before bedtime.