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Tom’s Guide
Tom’s Guide
Technology
Jessica Downey

No, not sit-ups — trainer shares these 6 exercises to blast your core in just 12 minutes

Woman doing a crunch.

Whether you outright loathe doing a sit-up or you are simply looked to freshen up your ab workouts in 2025, here is a six move workout that doesn't involve any sit-ups and only takes 12 minutes to complete.

The routine comes from fitness trainer Sandy Klar who has focused on using bodyweight moves only, which means you can do this workout anywhere. You can use it as an ab finisher at the gym, or as a standalone routine at home on one of the best yoga mats, or you could even do it in the park after a run.

Sklar shared the workout on her Instagram where she provides demonstrations of each exercise, but you can also view these below. According to Sklar, you will complete all six exercises in a circuit, performing each for 30 seconds with little to no rest in between, and repeat four times.

Watch Sandy Sklar's 12-Minute Core Building Workout

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