Most of us think 20 minutes isn't long enough to get in a workout that offers great benefits. Fat burning in 20 minutesGoal: Increase metabolism while building lean muscle mass to maintain optimal calorie burning all day long. Overall strategy: Perform complex exercises that work large muscle groups; do high reps and take very little rest between exercises. This is a great single leg workout and an option to target different parts of your leg. With knees bent, lift one foot off the ground and while holding your thigh off the chair straighten and bend your leg 8-12 times, squeezing the leg muscle as you go.

Source: New Zealand Herald January 26, 2017 23:18 UTC