Rich Froning and Sara Sigmundsdottir Struggle with Single Unders

Tripping on your Double Unders? Don't feel bad because Rich Froning and Sara Sigmundsdottir have the same problems with single unders.

Chris hinshaw: “Many elite level Crossfitters can’t do a single under”

Make sure you don’t neglect any basic skills in your training:

8 Important Basic Exercises for Crossfit


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Great Exercise From Camille Leblanc-Bazinet to Help you Get Muscle Ups

8 Punishing Crossfit WODs to Build Solid Upper Body Strength

About The Author

Editor-In-Chief at BOXROX. I come from a background of rugby and weightlifting. Growing up in the English Lake District, I spent a great deal of time swimming in its stunning lakes and rivers. In 2015 my brothers and I became the first people to swim the 145km length of the River Eden, from source to mouth, in 9 days. We also swam the Corryvreckan whirlpool, the third largest in the world, and Crossfit is a huge part of my training for these events.


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