A weighted sit-up keeps your ab muscles and core stabilizers continually challenged in a way that helps build strength.

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That makes everyday activities as well as other exercises like running easier, and prevents injury.

What if you want to take your sit-up to the next level?

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In either case, your body wants to become efficient at the demands its placed in, says Timmons.

And that drive to become more efficient is what causes muscle growth.

Or, in the case of the weighted sit-up, a stronger core.

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

But the weighted sit-up is trickier than it looks.

confirm to keep your feet on the floor during a sit-up, people!

And for gosh sakes, dont hold your breath.

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Instead, exhale on the way up so that youre contracting those muscles when you need em.

And, as always, slow and controlled is the name of the game in this strengthening move.

Relying on momentum just wastes your time.

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

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