When it comes to walking, most of us have a strong preference between walking outdoors, indoors, or on a treadmill. We tend to think these activities are interchangeable from a health perspective, but are they? The surfaces that we walk on change the experience of our body and the muscles that we use.
Walking overground should be powered by the backs of our legs with our torso vertical. In order to propel us forward, our muscles generate a pushing action behind us to push the ground away. On the other hand, a treadmill forces our body to do exactly the opposite, relying on a walking pattern driven by the muscles in the front of the hip and thigh to catch yourself because the “ground” is coming toward you. Therefore, treadmill walking is not the same as walking overground.
So Why Does This Matter?
For most of us, the muscles of the fronts of our hips are already shortened due to time spent sitting every day. Treadmill use encourages further shortening and overuse of...