Most runners run much too tough. We log nearly all our miles at moderate- and high-depth speeds, barely deigning to hit the small-intensity paces which have been so important to making an aerobic base. Then, the heart enters into a brief period of repolarization, that's a time period where by https://normany924fzs1.therainblog.com/29026735/5-easy-facts-about-polarized-heart-described