Instead of making a treadmill to suit a 3D printer, what if you just built a 3D printer on top of a full-size treadmill? The duo sourced a piece of real gym equipment for this build.

Nothing screams "leg burner" like a hill workout. Running -- and even walking -- up hills has profound fitness benefits. You'll build strength and power in your quads, hamstrings, glutes and calves.

I switched from outdoor running to using the Aviron Victory treadmill workouts for 30 days, then ran a 5K race. Here's what I learned during the experience.

How to make your treadmill runs more effective Use these 6 tips to get the most out of your treadmill workouts. They include how to fuel up properly, what to wear, which sneakers to use, and how ...