Arthritis is a general term for inflammation in the joints. Arthritis can occur in numerous forms. The most common is osteoarthritis, a condition in which the cartilage, the protective cushioning between the joints, wears out.When this happens, the bones rub directly against other bones. This causes structural changes that can be seen on X-rays.he most common is osteoarthritis, a condition in which the cartilage, the protective cushioning between the joints, wears out. When this happens, the bones rub directly against other bones. This causes structural changes that can be seen on X-rays.
At the 1968 Summer Olympics Bob Beamon jumped 8.90 m (29 ft 2 1â4 in) at an altitude of 7,349 feet (2,240 m), a jump not exceeded for 23 years, and which remains the second longest legal jump of all time.
Gary Parsons breaks world mark for longest run. A 50-year-old Australian builder set a world record for the longest continuous run Tuesday when he wrapped up a 274-day trek around the country, clocking up 19,030 kilometers (11,799 miles). Gary Parsons started running April 25 and on Dec. 16 broke the previous world record of 17,071 km (10,584 miles) set by American Robert Sweetgall in 1983.