the metabolic capacity of crossfit boston was definitely exceeded in that video. ;)

John, Thanks. I'm going to try these tips out next time I'm at CF.

What is with the shoes? are they special double under shoes?

Thanks for the vid jon, I needed this one. Some of us still train our met con.

great video, will have give those tips a shot next time I'm at the gym

Jon thank you for your tips i was able to get my first double under because of them.

Keep up the amazing job.

Jon thanks for the instructional video. I personally have been having a tough time getting the form down, and the explanation of the wrist action helped out a lot. But now that I see and feel the difference between elbow and wrist rotation I think you left out one of the most important reasons for using proper form: rotating at the elbows just looks kinda gay. No offense to gay people.

Keep up the great work.

I can string together 10+ double unders now!

Thanks so much for this post. DU's are my next area of focus. Finally got my handstand push ups down.

Thanks for a great video!

hey,
it's very rare to see an articulate trainer like this.
nicely done, and i appreciate the video.

b

Very nice breakdown of the DU. One further tip that got me past sets of 10 DUs: don't forget to breathe! Some people (me included) tense up a lot in order to get all the elements together. One side effect is that you might be holding your breath without even knowing it. Once you've got all these elements together (timing of the jump, easy bounce, shoulders back, flick of the wrist), the best way to string together more and more reps is to keep yourself relaxed longer -- which means you should breathe easy too.

Hope this helps somebody like it helped me. It just clicked one day and I was suddenly doing strings of 50 DUs. :D