Plantar fasciitis is one of the most frustrating injuries a runner can face. That sharp heel pain when you first get out of bed or during your run can stop your training in its tracks. The common advice? Wear good shoes and rest. But here’s the thing: while supportive footwear helps, what you really need are strong feet, solid balance, and a stable core. Strengthening the muscles that control your foot, ankle, and lower leg is key to preventing and recovering from plantar fas