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.
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...
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...
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 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.
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.
Some causes of muscle spasms in the arms and legs are dehydration, muscle fatigue, insufficient stretching, spinal cord injuries and poor blood circulation, according to WebMD. Side effects from medications, such as Lasix, Microzide and Aricept, can also cause muscle sp...