Face scale rating of perceived exertion during cardiopulmonary exercise test.
Shinichiro MorishitaAtsuhiro TsubakiSatoshi NashimotoJack B FuHideaki OnishiPublished in: BMJ open sport & exercise medicine (2018)
The face scale proposed in this study was related to physiological parameters, which suggests that it may be used to determine the intensity of exercise in healthy adults.