How should triathletes, runners, cyclists and other athletes use and apply heart rate variability (HRV) in practice, to actually improve their response to training? And what other insights are there to be gained from measuring HRV? Data scientist Marco Altini, founder of HRV4Training, has the answers.    IN THIS EPISODE YOU'LL LEARN ABOUT: The main practical applications of HRV and how to use it to guide training and recovery needs Short-term (daily) vs. long-term (7-day rolling average) HRV pros and cons Potential drawbacks of HRV: can it cause athletes to hold back unnecessarily? Additional insights made possible with daily HRV measurements and the HRV4Training app The latest trends in the HRV field of research The future of HRV research and HRV4Training   SHOWNOTES: https://scientifictriathlon.com/tts144/   THAT TRIATHLON SHOW HOMEPAGE: www.thattriathlonshow.com   SPONSORS: Precision Hydration - One-size doesn't fit all when it comes to hydration. Take Precision Hydration's FREE sweat test and learn how you should hydrate. Use the discount code THATTRIATHLONSHOW and get your first box for free!    ROKA - The finest triathlon wetsuits, apparel, equipment, and eyewear on the planet. Trusted by Javier Gómez, Gwen Jorgensen, Flora Duffy, Mario Mola, Lucy Charles and others. Get 20% off your entire order with the discount code THATTRIATHLONSHOW.   LINKS AND RESOURCES: Heart Rate Variability (HRV) for triathletes with Dan Plews | EP#42 HRV4Training website Marco Altini's personal website Heart Rate Variability: a (deep) primer Summary of HRV measurement best practices How to use HRV to guide training: the basics Heart Rate Variability is a Moderating Factor in the Workload-Injury Relationship of Competitive CrossFit™ Athletes Putting to use the latest sports science using HRV4Training (study with runners using HRV to guide training) Other HRV publications   RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing: www.scientifictriathlon.com/rate/   CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Twitter - my handle is @SciTriat.