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The 6 hardest ab moves, ranked

1.

How to do it:

2.

Pike twist

Think of this as a side plank… with a little spice.

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Instead of just holding, Pilates instructorChloe De Wintersays youre twisting your body, working your obliques.

Pike up

Youll feel the burn all over with the pike up.

That ones like a sneak attackyou dont realize how challenging it is, says trainerCharlee Atkins.

Woman walking on a treadmill at the gym.

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Full body female athlete in sportswear using rowing machine during fitness workout in gym.

This is similar to a jackknife position, but were going to take it one leg at a time.

Tabletop crunch rock

One of the trickiest way to fire up your obliques is through the tabletop crunch rock.

For even more ab exercises, try this boxing core workout:

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Healthy female training in the gym, performing a hip thrust.

A young black woman doing post-run stretches in the park on the road amidst green grass and trees.