On the ball

Sit-ups get a bad rep, but when done well, this classic exercise will give you fantastic core strength and help build solid trunk stability

WISDOM FOR OLDER RUNNERS FROM A TRUE MASTER

WANT TO KEEP YOUR SPINE FLEXIBLE, STRONG AND PAIN-FREE? DO THIS DAILY EIGHT-MOVE BACK HEALTH PROGRAMME FROM TRAINER CATIE MILLER

Tackle this three-part session – requiring just one pair of dumbbells – from online coach

Do these moves in a slow and controlled way, says Suzy. ‘It will make sure your surrounding muscles don’t take over and your core remains engaged.’ You should be aiming to start doing this every other

Improve core strength and lung capacity with these short-and-sharp ten-minute circuits