what to do
JUMP squats are perfect for toning your bottom, and strengthen your legs and core, says personal trainer Nadya Fairweather ( u- shape.co.uk) — especially if you spend long periods sitting. Stand close to a bench. Pretend to sit down, then jump up. Allow your bottom to ‘kiss’ the bench each time. Keep your back straight and bottom out. Do as many jump squats as you can. Walk for a bit, then repeat. Go for five sets, walking in between. It will work with a chair if it’s more comfortable, but