Shoe cushioning destabilizes the ankle during stance and may cause a whipping action on the Achilles tendon. Remove the insoles from your shoes to get closer to the ground, with better ankle stability. If you feel a sharp pain in your Achilles tendon when you run, walk it off and resume ...
initially avoid high risk activities that put the quadriceps muscle under heavy load or a very quick load. Progress slowly. If an activity begins to cause pain in the quadriceps, don’t push through it. Instead, stop and give your quadriceps more time to heal prior to trying...