12-3-30 Treadmill Workout: Benefits And How To Do It Effectively
Horizon Fitness - You've likely heard of the 12-3-30 treadmill workout craze. What is it, exactly? 12% Incline 3.0 MPH Speed 30 Minutes It's easy enough to not be intimidating, but challenging
The 12/3/30 Workout Has Changed My Relationship With Exercise