Performing his own in-space version of "look, Ma, no hands" is STS-119 Mission Specialist Joseph Acaba. The shuttle version of the bike, deployed here on Discovery's mid deck, is called the ergometer and is one device that provides astronauts a chance to exercise while in space.
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NASA
Description
Performing his own in-space version of "look, Ma, no hands" is STS-119 Mission Specialist Joseph Acaba. The shuttle version of the bike, deployed here on Discovery's mid deck, is called the ergometer and is one device that provides astronauts a chance to exercise while in space.