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 southwest of Sweden and due south of Norway and is bordered by the German state (and former possession) Schleswig-Holstein to the south, on Denmark's only land border, 68 kilometres (42 miles) long.Denmark borders both the Baltic and North Seas along its 7,314 km (4,545 mi) tidal shoreline.enmark is located southwest of Sweden and due south of Norway and is bordered by the German state (and former possession) Schleswig-Holstein to the south, on Denmark's only land border, 68 kilometres (42 miles) long. Denmark borders both the Baltic and North Seas along its 7,314 km (4,545 mi) tidal shoreline.