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Forget that version of the situp you performed in grade school
Give your workout a lift with this core-building move
In the battle for the coveted 6-pack, add this highly effective abdominal move to your arsenal.
Spice up your typical ab routine with this unique variation of the crunch.
Does your core need more? Take this two-part test to find out.
Get a six pack with our ab workouts for men
A breakdown of some of the best.