This exercise improves stability and creates that coveted waist definition many seek. Proper form ensures maximum benefit while protecting your lower back. Your 20-minute session begins with a ...

No equipment (and very little space) necessary. Beginner workout Start with a few warm-up exercises, listed below. Do each one in order (which constitutes one set) and then repeat once more.

All you need is a good pair of running shoes, a treadmill in the gym or at home, and 20 minutes. Warm-up: 5 minutes of flat walking at a light-moderate pace (speed: 3-5km/h, incline 0% ...