A fitness expert reveals how to maximise the benefit by mixing up your plank routine

All credits: PA
Had your fill of proud new exercisers showing off their plank challenges? We say, if you can’t beat ’em, join ’em.
But don’t waste your time extending the entry-level plank for hours on end – the most likely result is overworked back muscles, not the carved core you’re hoping for.
No, for a full body workout and a cast-iron core, you’re better off switching up your plank. Adding new plank styles will help chisel your chest muscles, engage your glutes and trim your thighs.
Fitness expert Laura Williams is here to show you how…