Leg cramps, which are also called muscle cramps are most commonly seen in old people. However, both young and old people can experience this problem. It is also very common in athletic people, pregnant woman and alcoholics. When a person experiences leg cramps, he or she would feel sudden muscle spasms on that part of the leg for a few minutes. Though the pain does not stay for a long time, a feeling of tenderness would linger around for the whole day.