A running coach provides a beginner’s guide on RPE and explains whether the scale is worth using to guide your runs ...

But there’s another number that’s increasingly in the mix: VO2 max. Plainly stated, VO2 max is the maximum rate of oxygen consumption attainable during physical exertion. Think of this number ...

This study assessed the reliability of ratings of perceived ... significant between-trial differences with regard to oxygen uptake (VO2) or heart rate for men or women. The relative exercise ...