Outer Limits NASA Workout

When astronauts travel to the International Space Station (ISS), they typically spend 6 months in a zero gravity environment. While all crew members exercise as part of their daily routine, research published in The Journal of Applied Physiology suggests that wasn't getting the job done. Scientists found that ISS crew members returning to Earth lost an average of 15% muscle mass with a 20% to 30% decrease in strength. That's close to the differences seen when comparing the skeletal muscle of 20 somethings to 80 year olds.

The Bigger Picture: Last November, NASA delivered the Advanced Resistance Exercise Device (pictured in use at right) to the ISS. This new machine is designed to let astronauts exercise at higher workloads and capacity. So the next time you hit a plateau in your training routine and need to go back to the drawing board, work more intensity into your plans.
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