SHR # 2304 :: How Exercise Improves Collagen Nanofibrils in Humans :: Dr. Ioannis Chasiotis - Collagen fibers can be stronger than steel. But it requires stretching the fibers and then allowing them to recover. What's the sweet spot? How about older adults? And interestingly, how are high blood sugar levels making it easier to have failure of muscle tendons? ::