Destructive processes, or forces, are the events that occur to change and destroy matter in the earth's surface. Destructive forces include erosion, weathering, organisms, earthquakes, and volcanoes. That's right, earthquakes and volcannoesare constructive and destructive! Let's find out how.
Knee braces are supports that you wear for a painful or injured knee. Some people use them to prevent knee injuries during sports. Braces are made from combinations of metal, foam, plastic, elastic material and straps. They come in many sizes, colors and designs.
Reasons to perform knee replacement surgery. 1  Osteoarthritis-This type of arthritis is age related-caused by the normal long wear and tear of the knee joint. 2  The majority of patients are over 50; however, younger people may be affected.