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 muscle cramps can sometimes happen in the thigh or the foot.t 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 muscle cramps can sometimes happen in the thigh or the foot.
Where do penguins live? King Penguins are found in Tierra del Fuego, Subarctic islands and South Georgia Island. Chinstrap Penguins are found in Antarctica, South Sandwich Islands, South Shetland, South Orkneys, South Georgia Island Bouvet, Peter Islands and Balleny.
Everything you ever wanted to know about a penguinâs habitat. A penguinâs habitat is naturally cold and watery. All varieties of the penguin are native to the southern hemisphere, and in fact, they can be found on every continent in the southern hemisphere.he penguinâs habitat also changes depending on what time of year it is. Penguins migrate from the breeding grounds to feeding areas along the coast. Some types of penguins travel very far during their migrations, while others travel only a short way.