How to Do Box Step-offs 0 By Uphill Athlete on November 2, 2016 Mountaineering, Videos In this Uphill Athlete video tutorial, coach Scott Johnston demonstrates box step-off exercises, which activate and strengthen the gluteus medius and vastus medialis oblique (VMO). Interested in learning more about developing strength for mountain sports? Check out “Strength Training for the Mountain Athlete.” Base Period Share. Twitter Facebook Pinterest LinkedIn Tumblr Email
