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.
Cosmonaut Gherman Titov was the 3rd person to go into space on  August 6, 1961. Vostok 2   was the first day-long Soviet space flight.     American Astronaut Jo â¦ hn Glenn was the third person and first  American to go into space on   February 20, 1961. He was beaten by Yuri Gagarin and Gherman Titov  of the Soviet Union.