Causes of Muscle Spasms and Cramps
Muscle cramps and spasms happen when a muscle spontaneously contracts. A muscle spasm or muscle cramp can cause minor discomfort to severe pain. You may even end up with a bruise in the location of the cramp. Verywell / Laura Porter Cramps can involve part of a muscle or all the muscles in a group. The most commonly affected muscle groups include: Spasms and cramps can be mild or extremely painful....