Subscribe to unlock this story.
Already have an Outside Account? Sign in
All-Access
Intro Offer
$3.99 / month*
- A $500 value with everything in the Print + Digital Plan plus 25+ benefits including:
- Member-only content on all 17 publications in the Outside network like Vegetarian Times, Better Nutrition, Yoga Journal, Outside and more
- Outside Learn, our new online education hub loaded with more than 2,000 videos across 450 lessons. Including Oxygen Challenge 8!
- More than 100 diet-specific meal plans
- Exclusive discounts on gear, travel, and race-entry fees
- Premium access to Outside Watch Shows, Films, and documentaries
- Annual subscription to Outside magazine
Digital + Print
Intro Offer
$2.99 / month*
- Annual subscription to a magazine from the Outside Network such as Clean Eating
- Ad-free access to all member-exclusive content on OxygenMag.com
- Weekly member newsletter
- One annual free fitness course
- Targeted workout series
*Outside memberships are billed annually. Print subscriptions available to U.S. residents only. You may cancel your membership at anytime, but no refunds will be issued for payments already made. Upon cancellation, you will have access to your membership through the end of your paid year. More Details
Video loading...
Lateral Box Step-Up and Knee Drive
Stand to the side of a box or bench, and place your right foot completely on top. Drive through your right foot and extend your right leg straight, lifting your left knee up and to the front. Step back down with your left foot, pause and repeat. Complete all reps on one side, then switch.