BLACK : THE HEALTH MAGAZINE vol2 | Page 6

RPE is used to measure the intensity of your exercise. The RPE scale runs from 0 – 10. The numbers below relate to phrases used to rate how easy or difficult you find an activity. In most cases, you should exercise at a level that feels 3 (moderate) to 4 (somewhat heavy). When using this rating scale, remember to include feelings of shortness of breath, as well as how tired you feel in your legs and overall. Keep it short Interval training combines high and low intensity intervals on a single workout. At the high intensity portion of your workout the body accumulates a lot of lactic acid. If you continue a high intensity pace for a long period of time, the lactic acid build up will eventually hinder muscular contraction and overall physical performance. However, by decreasing the intensity for a brief period of time, active recovery occurs delivering oxygen and nutrients to the working muscles, w