You don’t crunches, sit-ups and planks to increase your core strength and definition, just take this 12-move standing ...

Here’s the exercises I used to work ... squeezing your glute muscles at the top. As you do this, complete a chest press, ...

endless sit-ups and planks alone won’t do it. Not only does switching things up help you beat boredom, but it’ll also help you engage different muscles to strengthen your entire core.

Often people find when they do a sit-up is that the initial lift hurts, but then the exercise becomes far easier, this is simply because the stomach muscles are not being used any more.