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.
Saint Kitts. Saint Kitts, also known more formally as Saint Christopher Island, is an island in the West Indies. The west side of the island borders the Caribbean Sea, and the eastern coast faces the Atlantic Ocean. Saint Kitts and the neighbouring island of Nevis constitute one country: the Federation of Saint Kitts and Nevis.