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.
Risk factors for charley horses. Muscle spasms can happen to anyone, at any age. And a charley horse can occur at any time of the day or night. Charley horses do tend to occur more often among people in the following groups: athletes. infants. older adults. people who are obese. people taking certain medications like diuretics, Evista, or statin drugs.