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.
of 10. Skateboarding World Records - Longest Jump and Highest Air. Danny Way on the Mega Ramp. Harry How Danny Way holds several world records in skateboarding. He invented the Mega Ramp, a massive skateboarding ramp first seen in the DC Video. In that video, Danny Way breaks the records for longest jump and highest air off of a ramp. Then, in the 2004 X Games, at the Big Air competition that uses a similar Mega Ramp, Danny Way broke his own record for distance and set the current record of 79 feet. The height record is 23.5 feet.