Please provide your email address to receive an email when new articles are posted on . PHOENIX — Oxygen saturation did not significantly decrease among children who participated in low- or ...

When physically demanding activities are performed at high altitudes or in other low-oxygen environments, excellent coordination, judgment, and decision-making are important. In some cases, such as ...

Meeting the demands of working muscles involves nearly every system in the body. The cardiovascular system ramps up heartbeat to move blood to the muscles. The respiratory system replenishes that ...

VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

Stop more to lose more. Researchers have recently discovered that taking breaks during a walk about burns more calories than going directly from start to finish at an uninterrupted clip. In the study, ...