32. Sample 60-90min 30-60min 30min Time Competitive activities Also run/jog dance, tennis Walk, bike, stair, swim, aerobics Type 75-85% MHR RPE- hard 65-85% MHR RPE- mod hard to hard 65-75% MHR RPE- mod hard Intensity 4-6x/wk 3-5x/wk ≥ 3x/wk Frequency Elite Recreational Sedentary