Exercise like an astronaut and you might avoid the unhealthy effects of sitting too much, according to recent studies about the benefits of space workouts.
on the wall to replicate running without gravity, brought in bikes and weight machines that could be used in bed and had some of their volunteers work out almost every day, on their backs, for anywhere from a few minutes to an hour.The exercisers’ six-times-a-week routine centered on what the researchers dubbed “undulating periodization,” meaning that on some days they did high-intensity intervals of varying length and on others they lifted weights and did some aerobic training.
Later that same day, they lifted in bed, grunting through squats, leg presses, heel raises and leg curls, using weights heavy enough that they could barely finish eight to 12 repetitions. The results indicate the prone workouts succeeded. The exercisers retained most of their muscle and almost all of their endurance, and experienced almost no injuries, apart from ear infections caused by sweat running into their ear canals as they exercised in bed.throughout the study’s 70 days, the inactive controls grew less fit and punier. The scientists enrolled them in a separate 11-day exercise and rehabilitation program after the study ended.
There is a lesson in both their losses and gains for the rest of us, Ploutz-Snyder said. Long hours of sitting are not dissimilar, physiologically, to floating in space. Our muscles, hearts and lungs idle when we sit and, if that inactivity continues, lose function.
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