In space, muscles and bones lose strength as a person begins to use them less often. They might even
Also, the heart stops pumping so hard tomaintain blood pressure, and it becomes weaker over time. During a year in space, astronaut Scott Kelly's heart shrank by more than a quarter in size, adapting to new conditions.
Therefore, scientists create special devicesdesigned to maintain shape in space. For example, an advanced resistance exercise device from Human Health Countermers uses vacuum cylinders to create tens of kilograms of resistance. Athletes in microgravity conditions can reconfigure it to perform deadlifts, squats or bench presses. But such a setup is quite 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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