TAKE THE STAIRS TO SCULPT A SEXIER AND STRONGER LOWER HALF

Think coaches send athletes running up stairs as punishment? On the contrary:  The workout is a supercharged strengthener for  the hamstrings, quads and glutes and helps boost performance on even ground too. You have to get in a forward-leaning position and drive your feet down and back.  That ’s the form you need to take of f and run fast on f lat land,  so it ’ l l  improve your speed and acceleration.  Sprinting stairs is also a serious calorie scorcher;  you’ l l  zap at least 10 per minute.  Do this fun yet chal lenging plan,  created by Juris,  on any staircase to get f itter and more toned in no time.