The 1% incline rule is ubiquitous gym advice, but a closer look reveals it’s solving only half the problem. After three weeks of tracking, one runner discovered that varying incline dramatically changes how your posterior chain responds—and your calves have been quietly suffering.
That tiny drop number on your running shoe’s sole is quietly destroying your tendons. When you switch shoes without a proper transition, your Achilles and calf tendons face mechanical demands they’re not prepared for. Learn exactly why week six is the danger zone and how to change shoes safely.
Every runner’s knee absorbs millions of impacts, yet most damage isn’t from drama—it’s from quiet, preventable mistakes made at the start. Physiotherapists reveal the exact errors that accumulate into injury, and how fixing them early can protect your knees for decades of running.
