, cramps at rest (often at night) are very common although may be experienced at any age even in childhood.

[mithaljonson]

muscles or muscle fatigue in sports or with unusual strenuous activities. Such cramps may appear during the activity or sometimes much later. Muscle fatigue also may come from sitting or lying for an extended period in an awkward position or any repetitive use can cause cramps.  Formula 41 Extreme The elderly are at risk for cramps when performing forceful physical activities.Rest Cramps. Particularly in the elderlyThey are very disruptive of sleep and disturbing. They sometimes persist frequently and are very painful. while laying in bed, which shortens the calf muscle, a common place for cramps.Dehydration: Sports and vigorous activities can cause excessive fluid loss from perspiration which increases the likelihood of leg cram