The simplest way to increase the difficulty of sit-ups is to add some weight. You can add a dumbbell, kettlebell or sandbag.
THE CLASSIC SITUP is a workout staple. Whether you learned how to do the movement in gym class or from watching a Rocky training montage, you've probably performed more than a few sets over the years ...
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Forget sit-ups—a Pilates instructor says this move is more effective for your deep core
A lot of people avoid doing sit-ups because they don’t feel like they have enough core strength to do the move without ...
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