Best Darebee Workout for an Energy Boost ... you can use heavier dumbbells for some or all of the exercises. How to do it: Thrusters (8 reps): Start with a squat, then, as you drive up, press ...

Devised by fitness trainer Vivienne Addo — one half of Mr and Mrs Muscle — the effective leg workout uses just a pair of dumbbells to help strengthen and tone a range of lower-body muscles, including ...