List of musculoskeletal disorders. Ankylosing Spondylitis. Ankylosing Spondylitis is a chronic, progressive autoimmune disease that involves the joints and the spine. Although some people experience symptoms in many parts of the body, the main site of this disorder is the lower back.
Location of Saint Kitts and Nevis. The islands of St. Kitts and Nevis are positioned in both the northern and western hemispheres. Located in the eastern Caribbean, the islands are surrounded by the Caribbean Sea and the Atlantic Ocean.
The two-island country of St Kitts and Nevis lies in the northern part of the Leeward Islands group of the Lesser Antilles in the Eastern Caribbean. The two islands are separated by a channel some 3 km in width.