Four weeks of trauma-informed yoga intervention and autonomic tone in female veteran and non-veteran college students

Shannon Steele, Cassie Williamson-Reisdorph, Laura Dybdal, John Quindry

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Introduction: Female college students (veteran and non-veteran) are exposed to cumulative stressors and trauma that may lead to an imbalanced autonomic nervous system. Yoga has emerged as an efficacious intervention for psychological and physical trauma; however, the therapeutic dose of intervening yoga is unknown. Additionally, the frequency, duration, and type of yoga needed to achieve a therapeutic dose appear to be population specific when applied to trauma victims. The purpose of the study was to examine whether a short-term trauma-informed yoga intervention altered metrics of autonomic tone as assessed by heart rate variability (HRV) in female veteran and non-veteran college students. Methods: Nine female college students (age: 33 years ± 11, veteran, n = 4, non-veteran, n = 5) engaged in trauma-informed yoga once per week for one-hour over a four-week intervention. Repeated measures ANOVA were performed on the HRV variables lnRMSSD, lnHF, lnLF, and LF:HF. Results: Findings indicated no effect of the intervention on HRV as measured by lnRMSSD (p =. 116), lnHF (p =. 073), lnLF (p =. 316), and LF:HF (p =. 131). Further, no acute alterations in HRV were observed following a single session of trauma-informed yoga (p >. 05). Conclusion: The findings of the study revealed no significant effect of trauma-informed yoga on HRV following a single session or after a four-week yoga intervention.

Original languageEnglish
Pages (from-to)586-597
Number of pages12
JournalJournal of Human Sport and Exercise
Volume17
Issue number3
DOIs
StatePublished - 2021

Keywords

  • Heart rate variability
  • Mindfulness
  • Parasympathetic activity
  • Physiology
  • Stress

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