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.
Committee of the Regions. Denmark has 9 representatives on the Committee of the Regions, the EU's assembly of regional and local representatives. This advisory body is consulted on proposed laws, to ensure these laws take account of the perspective from each region of the EU.