The Effect of Heart Rate Variability Biofeedback Training on Vagal Tone in Athletically Talented Secondary School Students.
Andrea M FirthTorvald F AskStefan SütterlinRicardo Gregorio LugoPublished in: Sports (Basel, Switzerland) (2022)
Our results do not indicate that beneficial effects associated with focused breathing training can be attributed to improved vagal tone. Further investigation into the underlying mechanisms of the benefits of focused breathing techniques is necessary to maximize clinical and non-clinical outcomes.