WHAT TO DO
To tone your calves, try lunges with heel lifts, says celebrity personal trainer Nadya Fairweather (u-shape.co.uk).
Step back into a lunge position, with your right leg bending your back knee, keeping your back straight.
Lift and lower the heel of the front foot off the floor. Pulse it with control. Go for 20 seconds, then 10 seconds to switch legs. Repeat 20 seconds on the left leg, then a ten second rest with time to switch. Do eight