Forget endless sit-ups and crunches — this trainer's 5-move resistance band routine will fire up your core and build real strength at home

Work your core muscles, improve your posture and boost your stability with this five-move resistance band routine from ...
Yahoo

Forget sit-ups — this dead bug variation challenges your core stability

We’ve said it before, and we’ll say it again: when building a strong core, sit-ups aren’t always the best option. Not only can regular sit-ups and crunches put strain on your lower back, you’re only ...
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Ever Wondered? This Is How Many Sit Ups To Aim for a Day for Optimal Fitness, According to a World-Renowned Coach

If you've ever wondered (mid-crunch, most likely) exactly how many sit ups you should be doing every day to optimise your fitness, then you're in the right place - this is exactly the type of question ...

If You Can Do This Many Sit-Ups After 55, Your Core Beats Most People Your Age

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.