Tag Archives: heart rate variability

Early changes in HRV relate to eventual fitness changes in collegiate soccer players

Numerous studies have shown that increases in fitness (e.g., VO2max, MAS, Yo-Yo, etc.) are associated with increased cardiac-parasympathetic activity among healthy, athletic and clinical populations. This is one of the reasons why aerobic exercise is considered to be cardio-protective, due … Continue reading

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HRV, Stress and Training Adaptation

Below is my HRV trend following my first year of working on my PhD. Training was held pretty much constant throughout this time period (lift 4x/week, moderate aerobic work 2-3x/week). Both my first and second semester were equally as busy, … Continue reading

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New Study: Smartphone-derived HRV and Training Load in a Female Soccer Team

About a week ago our latest study was published ahead of print in the International Journal of Sports Physiology and Performance. Smartphone-derived Heart Rate Variability and Training Load in a Female Soccer Team. This study was 4 years in the … Continue reading

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3 Month HRV and Wellness trends of two D1 Athletes

Below are the HRV trends of two NCAA D1 athletes from a team we’ve been working with over a 3 month period of virtually the same training schedule. The vertical gray bars represent average perceived wellness (9 point scale) The dotted … Continue reading

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Weekly endurance performance and HRV: A case study of a collegiate cross-country athlete

During the fall season of 2013, we collected daily HRV, perceived wellness, training load and performance (race times) from a collegiate cross country runner. We wrote this up as a case study and it was published this month in JASC. … Continue reading

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HRV Monitoring Podcast Episode

About a month ago I had  the pleasure of being interviewed on the Quantified Body Podcast. In the interview we touch on a variety of topics including: HRV basics HRV recording methodology (duration, position, etc.) Smart Phone Apps Data analysis … Continue reading

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Trend Analysis: Importance of Context

It’s pretty well documented that regular aerobic exercise can result in an increase in resting HRV. Generally, you can expect no change or even a slight increase in HRV the day following low to moderate intensity aerobic exercise. However, with … Continue reading

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