In case you missed it, fitness pro Denise Austin posted another fun and informative workout video on Instagram. This time, the 66-year-old revealed how she maintains her toned abs while demonstrating ...

Stop vilifying one of the most effective rotational movements in fitness. When performed with precision, this controversial exercise transitions from a "back-buster" to a powerhouse for elite oblique ...

Ready for some good news? This one workout can help you lose weight and tone your abs even when done while sitting. Russian twists are perfect for people who cannot do high-intensity workouts but ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you're looking for an exercise that will amp up your abs routine, look no further. The Russian twist ...

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