what is a muscle cramp
Muscle cramps are sudden, involuntary contractions that occur in various muscles. These contractions are often painful and can affect different muscle groups. Commonly affected muscles include those in the back of your lower leg, the back of your thigh, and the front of your thigh.ow to Prevent Muscle Cramps. The simplest way to prevent muscle cramps is to avoid or limit the exercises that strain your muscles and cause cramps. You can take steps to prevent muscle cramps. It is important to stretch or warm up before participating in sports and exercising.