Reaching top speed on the run can feel both exhilarating and exhausting. It takes full-body muscle activation, power, force, and strength to get the legs to turn over quickly so you can sprint fast.

There were no significant changes to 10 or 20 m sprint performance or speed decrement in the 20 m RSA test (prehypoxic 4.0±3.0% and posthypoxic 2.7±1.6% vs prenormoxic 5.1±3.9 and postnormoxic 3.7±2.1 ...