Muscle spasms frequently occur due to the overuse of muscles through repetitive exercise or physical activity or as a result of dehydration, according to MedicineNet. Muscle spasms can also result from medical conditions such as atherosclerosis, restless leg syndrome an...
Skeletal muscles are the primary cause of back spasms, and these tend to occur due to electrolyte abnormalities and dehydration. Smooth muscles located within the walls of hollow organs can also cause spasms.
Muscle spasms are sudden involuntary contractions of one or more muscles and often lead to cramping. Some muscles are more prone to spasms, including the calf muscles and abdominal region. Causes include vitamin deficiency, magnesium or potassium deficiency and fatigue.
Running can trigger spasms in the legs, although experts do not fully understand the true physiological cause of cramps and spasms caused by running, according to Runner's World. Several theories attempt to describe this phenomenon.
A muscle spasm, known as a "charlie horse," lasts from a few seconds to 15 minutes or more. Some muscle spasms recur multiple times before subsiding completely and may bring soreness for hours afterwards.
Muscle spasms are also referred to as muscle cramps and cause pain, hardness and tightening of the muscles, according to WebMD. Muscle spasms commonly occur in calf muscles, the thighs, the arms and in the abdomen.
The primary treatment for an acute muscle spasm is gently stretching the affected muscle, and further treatment varies depending on the underlying cause but may include a variety of medications, according to MedicineNet.com. Preventative measures, such as staying hydrat...