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.
St Kitts and Nevis is estimated to have a 2014 population of 51,300, up from 40,800 in 1990 but about equal to its 1960 population.