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Swedish Space Gym Being Tested By Astronauts
The crew of the International Space Station (ISS) is presently testing a Swedish space gym. The aim is to counteract muscle atrophy and osteoporosis in astronauts. Astronauts who spend a long time in space can face problems when they return to earth. Weightlessness atrophies the muscles and decalcifies the skeleton. It doesn't help to "pump iron." Barbells and dumbbells are also weightless on a space voyage.
Source: ScienceDaily