Unlock this article and more benefits with 25% off.
Already have an Outside Account? Sign in
25% Off Outside+.
$4.99/month $3.75/month*
Get the one subscription to fuel all your adventures.
- Map your next adventure with our premium GPS apps: Gaia GPS Premium and Trailforks Pro.
- Read unlimited digital content from 15+ brands, including Outside Magazine, Triathlete, Ski, Trail Runner, and VeloNews.
- Watch 600+ hours of endurance challenges, cycling and skiing action, and travel documentaries.
- Learn from the pros with expert-led online courses.
*Outside memberships are billed annually. 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...
Save Your Knees: Poor Man's Leg Curl
In this first of three videos, mountain performance coach Jason Antin teaches one exercise for preventing knee pain so you can crush the trail.