This is the Pilates exercise I use to build deep core strength, spinal flexibility and balance

Everything you need to know about the Pilates V-sit ...
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Mastered the situp? The V-sit takes things to the next level

While ab exercises like the situp and crunch tend to get all the glory, there are plenty of other moves that work the region just as effectively. And there is something to be said for adding variety ...

I swapped crunches and sit-ups for Pilates pikes, and my core strength has never been better

Pilates pikes work your core muscles and test flexibility and mobility; here's how to do it, and why the exercise has helped ...