"iTrain with Natalie Coughlin" promo at 'You Tube'

iTrain is a website where you can subscribe monthly to various training programs and download these training programs via the mp3s to your mp3 player.

I suspect you would need a H2o Audio player for Coughlin's workouts but I am not sure. Link to the iTrain website: [Link]

Natalie Coughlin Swim Workouts with the "iTrainH2O" player

Here is Natalie Coughlin delivering a workout via the iTrain H2o player. The actual workout itself is an hour long and this You Tube is just a two minute video. If you own the iTrain H2o player, you can download her workouts at iTrain.com

Note how strong and relaxed Coughlin's kick is; so much power with so little effort. Also, note the "S-curve" on her backstroke pull; very symmetrical.