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.
Severe muscle spasms and pain. Can you briefly explain the mechanism by which lyme causes muscle spasms? I know that low magnesium, calcium or potassium could cause spasms, but I know that there are other factors at work as well.