Pain while running is not something to ignore. If you feel pain in your ankle, knee, hip, or even lower back when you run, the problem may start from your ankle mobility and ankle stability. Your ankle is part of your body’s natural spring system. When you run, every step creates impact. If your foot is flat, your ankle is stiff, or your body cannot absorb force properly, that impact travels up into the knee, hip, and lower back. Running on concrete makes this even more serio