MASSIMO: The uphill effort recruits far more muscle fibers—especially in the glutes, hamstrings, quads, and core—as your body fights gravity with every step

New research reveals that walking at 3 mph on a steep incline burns up to 70% more calories than running at the same speed on flat ground.

Skip the joint-pounding stress of flat-ground sprints. Studies show that maintaining a steady 3 mph pace on a 16–18% incline actually… pic.twitter.com/JNASEHGoCq

— Massimo (@Rainmaker1973) February 5, 2026