With the surge of CrossFit and functional fitness training, the nation has been introduced to the double-under workout more frequently than in any other time in history.  However, you may be new to this classic jump rope move, so we thought we'd start from the beginning.

What is a Double Under?

Simply put, a double under is performed when a person jumps once, but causes their jump rope to travel under their feet twice.

Here is a video that will help you understand the double under more fully, and give you tips on body position so you can perform the double under efficiently.  We'll also talk about some common faults to look for during a CrossFit jump rope WOD, and help you size your adjustable jump rope properly.

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