Special simulators, various

A sedentary lifestyle turns people into victims of early osteochondrosis, radiculitis and many other serious diseases of the joints and back. As evidence of these words, one can cite an example of astronauts: due to almost complete immobility while being in a spaceship, their bones become fragile and more vulnerable. That is why astronauts in their expeditions and breaks between them devote a lot of time to physical exercises, such as yoga for the spine, classes on special simulators, various types of gymnastics.