The Myrtl routine was developed by Jay Johnson, a coach in Boulder, Colorado.
You can see more from Coach Jay at his website: www.coachjayjohnson.com
This routine improves your range of motion and adds agility you'll need for the trail.
The Myrtl routine was developed by Jay Johnson, a coach in Boulder, Colorado.
You can see more from Coach Jay at his website: www.coachjayjohnson.com