The Best Abs Workout You're Not Doing

​This workout is not for the faint of heart—or abs. L-sits find their roots in gymnastics and require high levels of upper body strength and stability.

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426c pantone Biking workout, Exercise bikes, No equipment workout

A 30-day workout to tone and strengthen your core

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Give Planks a Rest. Try the L-Sit for Core Strength and Stability

How to Do an L-Sit (and Why You Should)

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Young brunette sportswoman hanging on still rings and doing L sits on sports ground against African American man exercising on facilities Stock Photo - Alamy

How to do L-sits & why should you try this isometric exercise