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Maintaining Muscle Mass in Space

Maintaining Muscle Mass in Space

Astronaut Sandra Magnus, Expedition 18, exercises on the advanced Resistive Exercise Device (aRED) aboard the ISS. Specialized exercise equipment that works in microgravity helps keep astronauts' muscles and bones from degenerating.
Courtesy of NASA.

Kenneth M. Baldwin, PhD, explains how and why muscles change during spaceflight, why this is important, and what can we do to limit muscle atrophy in space and on Earth.

Join Dr. Baldwin as he examines key properties of the skeletal muscle system and its inherent dependence on the force of gravity, and discusses what happens to muscles when gravity is eliminated, as during prolonged exposure to space flight or under conditions of prolonged bed rest (an analogue of spaceflight), and a strategy to maintain the integrity and functionality of skeletal muscle in the absence of gravity.

Companion slide set to the video, "Maintaining Muscle Mass in Space."

Author(s): Kenneth M. Baldwin, PhD
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Slides: 13–19 of 19

Muscles Regulate Both Their Size and Phenotype in Response to Loading Conditions

Consequences of the Muscle Atrophy Response

Strategies to Conserve Muscle Mass

Portfolio of the NSBRI Muscle Team

Human Study

SPACE CYCLE: A Human-Powered Centrifuge and Hypergravity Exercise Gym

Practical Applications: Muscles and Exercise

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Funded by the following grant(s)

National Space Biomedical Research Institute

National Space Biomedical Research Institute

This work was supported by National Space Biomedical Research Institute through NASA cooperative agreement NCC 9-58.