Kettlebell Training For Aerobic Endurance Gains

Introduction Endurance is a broad term. Different types of endurance (short -, medium - and long term) are fueled by different energy systems. The first one or two maximum muscle contractions are powered by the phosphates in the muscle cell. After that, short bursts of up to 12 seconds draw their energy from the creatine- … Kettlebell Training For Aerobic Endurance Gains weiterlesen