Whether new to fitness or getting back into the groove, these beginner ... minute cool-down walk at a slow pace and light stretching. What you need: A treadmill with an incline setting. This 30 ...

The treadmill ... workout. When considering rate of perceived exertion (or RPE), don’t exceed a 6 out of 10. Start with 10 minutes of easy, conversational pace running (RPE 6 or below) Work up ...