Do Running Shoes Prevent Injuries? What a PT Actually Looks At

The uncomfortable truth about shoe prescriptions

The running-store ritual — watch you walk, diagnose your arch, prescribe neutral/stability/motion-control — is based on a model that research has largely failed to support. Military studies assigning thousands of recruits shoes by foot shape found no reduction in injuries versus giving everyone the same shoe. Pronation, it turns out, is something feet are supposed to do.

What survived the research: comfort. Runners who choose the shoe that feels best to them tend to do at least as well as runners assigned shoes by any system. Your nervous system is doing real evaluation when a shoe feels right — trust it over the wall chart.

What actually moves the needle

• Rotate two pairs. Runners alternating between different shoe models showed meaningfully lower injury rates in cohort research — likely because different shoes distribute load slightly differently, so no one tissue takes every mile.
• Replace by feel and age, not just mileage. Deep midsole creasing, a "flat" feeling versus a fresh pair, or the return of old aches are better signals than an odometer. Foam ages even sitting in a closet — if your comeback shoes are three years old, start fresh (more on that in the return-to-running guide).
• Treat style switches as training changes. Minimalist, maximalist, zero-drop, carbon-plated — every switch shifts load between calf, Achilles, knee, and foot. The injury isn't the shoe; it's the sudden change. Transition over weeks, starting with short easy runs, exactly as you'd add mileage.