Photo: Nick Anderson of Greenville, N.C., left, his father Rick Anderson and stepbrother Jeramie Mullis pose with the 143-pound blue catfish caught Saturday in Virginia in Buggs Island Lake, also known as the Kerr Reservoir. The previous world record was a 130-pounder caught in the Missouri River last year.
A muscle cramp is a strong, painful contraction or tightening of a muscle that comes on suddenly and lasts from a few seconds to several minutes. It often occurs in the legs. A muscle cramp is also called a charley horse. Nighttime leg cramps are usually sudden spasms, or tightening, of muscles in the calf.
Injury and Overuse. Muscle spasms can occur in any part of your body, including your arms, if your arm muscles are overused or injured. As your arm muscles become fatigued, you may experience a tight cramping sensation, or a muscle spasm.hoto Credit arm pumping image by MAXFX from Fotolia.com. Muscle spasms can occur for a number of reasons. The most common cause of muscle spasms is muscle fatigue, or overuse of a particular muscle, according to MedlinePlus. Sometimes a muscle spasm can feel like the muscle is hard, bulging, twitching or tight.