In space, muscles and bones lose strength, as humans begin to use them less often. They may even
Also, the heart stops pumping so much thatmaintain blood pressure, and it gets weaker over time. For a year in space, the heart of astronaut Scott Kelly has decreased in size by more than a quarter, adapting to new conditions.
Therefore, scientists create special devices,designed to keep fit in space. For example, Human Health Countermersers' advanced resistive exercise device uses vacuum cylinders to create tens of kilograms of resistance. Athletes in microgravity can reconfigure it for deadlifts, squats, or bench presses. But this setup is rather cumbersome.
Two MIT studentsThe institute is now working on possible solutions and has presented one automatic training device that can contract muscles as if moving. They also created a form-fitting space suit that mimics the effects of gravity.
The last device will compress the body so thatto simulate some of the effects of gravity and help cope with the negative effects of space. The suit will prevent lengthening of the spine and preserve the anti-gravity muscles that people use to maintain posture and movement.
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