Hold without allowing your hips to sag, and don’t forget to breathe. Low Plank: Once you’re ready to level up, move onto a low plank. It’s almost identical, except you'll rest on your ...

This week: low planks. You probably didn’t think planks could harder than the five-minute-hold challenge. But for a deeper (and arguably more useful) burn, try taking the plank into a low position.

Return to start and alternate ten times. Start in a low plank and raise your bum towards the ceiling. Return to start and repeat for 20 repetitions.

It engages your biceps, triceps, forearm muscles, chest and shoulders. 3. High to Low Plank: Do this routine for 15 repetitions and 3 sets. This variation of the plank will engage your core and ...