Advances in technology over the past few decades have added a new element of training athletes and coaches: biofeedback devices to gather data about the body. More data is almost always a good thing and technology now makes it easier to track several aspects of life that have an impact on the body and training such as sleep, activity level, heart rate, and heart rate variability (“HRV”). Coaches can then use this information in a variety of ways to learn about the specific athlete and customize training to them. Of these new measures, I have been interested the most in HRV due to its potential ability to track an athlete’s state of “sport form” one of the concepts central to Bondarchuk’s periodization models. HRV is hardly a new concept. As this peer-reviewed article on the origins of HRV notes, scientists have been monitoring heart rhythms for hundreds of years. However, since many of the methods are dependent on technology, it was not until the 20th century that research really took off. Only in the past few years has the technology been made easily available for athletes and researchers to work with.
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