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Key Notes

• Key takeaways
  • Load vs capacity is the central lens. Running injuries aren’t just about mileage or pace, sleep, stress, and life load strongly influence how much training the body can tolerate.
  • The “red line” is dynamic. A runner’s tolerance to load shifts day-to-day and season-to-season, rising with consistent training and dropping quickly during off-seasons or periods of poor recovery.
  • Education-driven load management works. In patellofemoral pain, structured education alone produced outcomes comparable to adding strengthening or gait retraining.
  • Effective education is specific. Pain ≤2/10 during runs, return to baseline within ~1 hour, no worsening the next morning, and smarter distribution of volume (run more often, less per session).
  • The 10% rule isn’t evidence-based. Rigid weekly limits don’t reflect how real training works; periodized builds with down weeks and “next reasonable steps” are more practical.
  • Gait and footwear are tools, not defaults. Gait changes and shoe selection are most useful for persistent or recurrent issues when the goal is to reduce tissue load, not to “fix” a runner.
  • Capacity is under-measured in research. Most studies ignore sleep, stress, and hormonal factors, limiting how well research translates to real-world injury prevention.
  • Objective data can build confidence. Tools like Runeasi help quantify impact, symmetry, and readiness, especially in return-to-run decisions after major injury or surgery.

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