Sometimes their hands or knees or shoulders get sore and are hard to move and may become swollen. These people may have arthritis (ar-THRY-tis). Arthritis may be caused by inflammation (in-flah-MAY-shun) of the tissue lining the joints. Some signs of inflammation include redness, heat, pain, and swelling.ometimes their hands or knees or shoulders get sore and are hard to move and may become swollen. These people may have arthritis (ar-THRY-tis). Arthritis may be caused by inflammation (in-flah-MAY-shun) of the tissue lining the joints. Some signs of inflammation include redness, heat, pain, and swelling.
The longest duration flight of all was also perhaps the most encouraging. That's the flight by Valeri Polyakov who spent just over fourteen months in the earlier Russian space station MIR. March 22, 1995: Longest Human Space Adventure Ends | WIRED.
Also, Shepard achieved a less-celebrated record on that day: briefest human spaceflight mission, of only 15-minutes' duration. In April 1970, NASA's ill-fated Apollo 13 capsule swung around the far side of the moon at an altitude of 158 miles (254 km), putting the astronauts 248,655 miles (400,171 km) away from Earth. It's the farthest our species has ever been from our home planet.