then relax and repeat 10 times."Stress fractures A stress fracture is an overuse injury caused when muscles become tired and lose the ability to absorb the shock of your foot strike. "Foot pain that becomes worse and worse the further you run is a stress
tissue in the lower back, all of which lead to over-use injuries.Understanding your back and how it affects your running is key to avoiding over-use injuries. "Because runners hold a specific form, the body ends up getting very little variety. Weakness
