The ab rollout, even when done on your knees, is extremely effective at strengthening your core as it stabilizes your body during the movement. In this video I show a beginner ab wheel progression, ...

The muscle-up is a pretty unique exercise. It's considered a "radial" pull up because you're exploding up and around the bar ...

Once the stuff of science fiction, 3D printers are now mainstream tools for creation and innovation. These devices, which transform digital blueprints into physical objects, have dramatically evolved ...