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.
The main causes of abdominal muscle spasms are: 1  Pregnancy spasms and cramping can occur during your uterus changing shape, hormonal changes, stress, over-exercise, implantation of embryo, miscarriage, ectopic pregnancy and labour. 2  Over-exercising-too much exercise and incorrect posture during exercise especially when lifting weights can cause ....hildren and adults can have sporadic abdominal spasms and there are some disorders and diseases that can cause them so it is always best to check for a correct diagnosis. A spasm is the involuntary and sudden contraction of your abdominal muscles and it can lead to mild or severe pain lasting short or long periods.