What Are Those Itchy Scabs On The Back Of My Catâs Neck, Top Of Her Head And Tail? CatChannel veterinary expert, Arnold Plotnick, DVM, discusses the possible causes and cures for itchy skin in cats.
The Borg Rating of Perceived Exertion (RPE) is a way of measuring physical activity intensity levels. Perceived exertion is how hard you feel like your body is working.
RPE Levels of Perceived Exertion. 1  Level 1: I'm watching TV and eating bonbons. 2  Level 2: I'm comfortable and could maintain this pace all day long. 3  Level 3: I'm still comfortable, but am breathing a bit harder. 4  Level 4: I'm sweating a little, but feel good and can carry on a conversation effortlessly.