<p>Here on Earth, everyone knows exercise is important, but in the weightless environment of space, it’s really important. Research at the Johnson Space Center shows that being in a restricted low-gravity space for long periods of time reduces bone density, causes muscular atrophy, induces loss of calcium, and introduces possible metabolic and cardiovascular problems. That   <a href="http://blog.nasm.si.edu/hidden-treasures/apollo-inflight-exerciser/">...Continue Reading</a></p> <p>The post <a rel="nofollow" href="http://blog.nasm.si.edu/hidden-treasures/apollo-inflight-exerciser/">Obscure Objects: Apollo Inflight Exerciser</a> appeared first on <a rel="nofollow" href="http://blog.nasm.si.edu">AirSpace</a>.</p>