that when in place it extends around the front of the leg and just to either side of the patella as shown most clearly in fig1 as can be seen in fig6 the center portion 20 is preferably comprised of a latex rubber tube 22 which is encircled by the same material which forms the remaining parts of the strap member 12 again in the preferred embodiment of the invention the latex rubber tube 22 is approximately 6 inches long has an inner diameter of approximately 3 16 inch and an outer diameter of approximately 3 8 inch so that the overall outer diameter of the center portion 20 is approximately 5 8 inch since the center portion 20 incorporates the latex tube 22 therein the center portion 20 of the strap member 12 is substantially more rigid than the end portions 14 and 16 but is still somewhat flexible the knee strap 10 of the present invention is preferably constructed in the following manner first a piece of beta pile ii material also known as tricot on 1 4 inch foam is provided which has a length of approximately 171 2 inches a height of 2 inches and a thickness of approximately 1 4 inch the material is laid horizontally and flat on a flat surface and the same is then folded in half along the entire length thereof the edges are then sewn together along the center 6 inches of the.