Muscle cramps result from an involuntary contraction of a skeletal muscle. Overuse, prolonged exercise without proper conditioning, and fatigue are common causes of muscle cramps. In addition, dehydration and depletion of electrolytes, including magnesium, calcium and potassium, can lead to muscle cramps.
The relationship between intelligent design and science has been a contentious one. Intelligent design (ID) is presented by its proponents as science and claims to offer an alternative to evolution.
en espaÃ±ol. Intelligent Design creationism (IDC) is a successor to the creation science movement, which dates back to the 1960s. The IDC movement began in the middle 1980s as an antievolution movement which could include young earth, old earth, and progressive creationists; theistic evolutionists, however, were not welcome.