<ul><li>Spaceflight can cause a decline in maximum aerobic capacity, resulting in impaired mission task performance.</li><li>Existing exercise schedules and countermeasure systems on the International Space Station (ISS) minimize losses in aerobic fitness.</li><li>New exploration countermeasures systems may not be able to support exercise as required to maintain human performance.</li><li>Reduced aerobic capacity poses a risk for reduced physical performance capabilities.</li></ul>

Risk of Reduced Physical Performance Capabilities Due to Reduced Aerobic Capacity (Aerobic Risk)

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