windycitytale
3 years ago5,000+ Views
Crossfit - Double Unders
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these are really good - I think I'm going to try incorporating these into my routine. I used to skip quite a bit but my abdomen kept cramping (similar to the one you get when you run after eating?) - but it would cramp for seemingly no reason - do you have any idea why? Also - how long should you skip for?
3 years ago·Reply
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