宇宙飛行による骨・筋への影響と宇宙飛行士の運動プログラム

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Bone loss and muscle weakness are important medical concerns observed in astronauts after space flight. Even after a short-duration space flight, muscle atrophy and muscle weakness were observed in back, quadriceps and soleus-gastrocnemius muscles. The primary preventive measure against muscle weakness on the ISS has been exercise. The ISS houses a treadmill, a cycle ergometer, and a resistive exercise device. Individualized preflight exercise programs are planned for crew members based on fitness assessments, mission-specific tasks, and the maintenance of optimal health. A preflight exercise program is scheduled for a minimum of two hours a day, three days a week. Inflight exercise prescription will take into consideration available inflight exercise equipment and the specific needs of the individual crew member. Each inflight exercise program shall include components of cardiovascular, resistive and flexibility exercise. A program is scheduled for a minimum of 2.5 hours a day, six days a week. Postflight rehabilitation activities begin when a crew member returns from space flight. The goal of the rehabilitation program is to provide a planned program of recovery that will prevent additional injury, provide progressive improvement in fitness, and enable a full return to the preflight baseline level. A postflight rehabilitation program may include scheduled rest, assisted walking, swimming pool exercise and traditional exercise. Therapeutic massage, whirlpool, heat/ice and passive stretching also may be incorporated.
2006-03-18

宇宙飛行による骨・筋への影響と宇宙飛行士の運動プログラム

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