Geography. Namibia is bordered on the north by Angola and Zambia, on the east by Botswana, and on the east and south by South Africa. It is for the most part a portion of the high plateau of southern Africa, with a general elevation of from 3,000 to 4,000 ft.n the late 15th century, the Portuguese explorer Bartolomeu Dias became the first European to visit Namibia. Formerly called South-West Africa, the territory became a German colony in 1884.
1 Charley horses in the upper leg are mainly caused by activities like running or jumping. 2  Some of the spasms occur because of the irritation of the nerve that connects to a muscle. 3  The most common type of Charley horse, found in the calf region, is often the result of kicking while swimming.
Charley horse: Slang for a cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from a few seconds to over a quarter of an hour. It is not uncommon for one to recur before it finally resolves.