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.
Denmark is located in Northern Europe north of Germany. It has coastlines which cover 4,545 miles (7,314 km) that are along the Baltic and North Seas. The total land area of Denmark is 16,638 square miles (43,094 sq km).This area includes the mainland of Denmark as well as two large islands that are called Sjaelland and Fyn. The topography of Denmark consists mostly of low and flat plains.orway. Norway is located in Northern Europe on the Scandinavian Peninsula between the North Sea and the North Atlantic Ocean. It has an area of 125,020 square miles (323,802 sq km) and 15,626 miles (25,148 km) of coastline.