Unsure of how to start using the treadmill? Watch this short video to find out how! The Singapore Physical Activity Guidelines recommend that adults engage in moderate-intensity aerobic activity of between 150 and 300 minutes per week. The rate of perceived exertion (RPE) scale can be used to measure exercise intensity. The scale ranges from 0-10. Points 0-2 indicate light intensity, 3-6 indicate moderate intensity, while 7 and above indicate vigorous intensity. To exercise at moderate intensity