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Are sit ups destroying your core strength instead of building it?

A smarter, spine-friendly abs exercise is gaining attention among coaches and fitness experts.
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Less sit-ups, more ‘compound exercises’ — here’s the one abs exercise you can do to strengthen your whole core

Not that fussed about sit-ups? Me neither, so I say sweep them to one side and hit more muscles in one go using the good old do-it-all compound exercise — a multi-joint, multi-muscle move that hits ...