consider a 15-minute workout that utilizes a slower pace and changes in foot placement to max out your muscles. 20-Minute ...

These treadmill workouts, devised by a team of certified personal trainers and cardio ... 20 minutes. Warm-up: 5 minutes of flat walking at a light-moderate pace (speed: 3-5km/h, incline 0% ...

This isn’t just another random exercise we found on Pinterest, it’s part of an expertly designed program from Women’s Health that alternates between strength and cardio to maximize your results.