Any of the muscles that are under our voluntary control (skeletal muscles) can cramp. Cramps of the extremities, especially the legs and feet, and most particularly the calf (the classic  charley horse ), are very common.
Northern Europe includes Denmark, Finland, Greenland, Iceland, Norway, and Sweden. This area is known for harsher environments. It is generally cold, has poorly developed soils and limited mineral resources. This region has a population of over 25 million people.
Where is Denmark located on the world map? The given Denmark location map shows that Denmark is located in the Northern-western part of the Europe continent. Denmark map also shows that the country is however northern continuity of Germany mainland but it has also a group of islands between North Sea from west and Baltic Sea from east. Denmark is a Scandinavian country.