
Walking Boosts Endurance, Not Size: How to Actually Build Muscle
Walking improves aerobic fitness and can help prevent age-related muscle loss, but it isn’t a reliable way to meaningfully increase muscle mass. To build SIZE you need progressive resistance training; walking primarily engages slow-twitch fibers. You can raise the muscle-strengthening potential of walking by adding incline, resistance (weighted vests/rucking), and short strength bursts or HIIT, plus varied terrain, but don’t skip dedicated resistance training at least a couple days a week.












