Are Sit-Ups a Waste of Time?

If you ever wondered: are sit-ups a waste of time? Click here and discover what you can do about it.

Are Sit-Ups a Waste of Time?

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Is it just me or are sit-ups a waste of time?

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Is it Just Me or are Sit Ups a Waste of Time?

Are sit ups bad? - Quora

Want Abs? Avoid Doing Sit-Ups, Fitness Expert Explains Why They Are A 'Waste Of Time