![](https://legionsc.com/wp-content/uploads/2018/07/Michael-FitzGerald-Headshot.jpg)
How to Train the Aerobic System in CrossFit® Athletes | Webinar with Michael FitzGerald of Optimum Performance Training
At this point, many coaches and athletes understand that doing well in CrossFit® events requires freakish endurance. It’s not about how strong or how powerful