What question did this study set out to answer?

To evaluate autonomic modulation and changes in heart rate variability during a mild-intensity stationary cycling session in healthy untrained adults.

March 1, 2023Advanced Biomedical ResearchOpen Access

Heart Rate Variability Among Healthy Untrained Adults During Mild Intensity Stationary Cycling Exercise

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Why the study?

Autonomic modulation during exercise can be assessed by heart rate variability, but changes in HRV during mild-intensity cycling exercise needed evaluation.

Does mild-intensity stationary cycling exercise alter heart rate variability in healthy untrained adults?

Population

20 healthy male volunteers attending YOGA sessions in AYUSH OPD

Comparison

Mild-intensity stationary cycling exercise across 20 min vs rest and recovery

Design

Observational cross-sectional study

Authors

VMVarun MalhotraAll India Institute of Medical Sciences Bhopal ATAvinash ThakareVisvesvaraya National Institute of Technology SHSandeep M. HulkeAll India Institute of Medical Sciences Bhopal

Discussion

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Implication

Mild-intensity stationary cycling predictably alters HRV in healthy adults; leaves open whether these autonomic shifts guide exercise dosing or improve outcomes.

Key Points

To evaluate autonomic modulation and changes in heart rate variability during a mild-intensity stationary cycling session in healthy untrained adults.
Conducted an observational cross-sectional study of N=20 healthy male volunteers performing 20 minutes of stationary cycling at mild intensity (30% to 50% of maximal heart rate).
Assessed heart rate variability using a mobile Dynamika unit at rest, every 5 minutes during cycling, and throughout post-exercise recovery, analyzed via repeated measures ANOVA with Bonferroni and Holm's post-hoc tests.
Mild cycling initiation prompted significant cardiac parasympathetic withdrawal alongside acute sympathetic dominance.
Elevated sympathetic influence persisted across the 20-minute exercise session, followed by rapid parasympathetic reactivation during the recovery phase.

Structured PICO

Does mild-intensity stationary cycling exercise alter heart rate variability in healthy untrained adults?

Population

20 healthy male volunteers attending YOGA sessions in AYUSH OPD, mean age 35.44 ± 4.12

Intervention

Mild intensity exercise (30% to 50% of maximal heart rate) on a stationary cycle for 20 min

Outcome

Changes in heart rate variability (HRV) during exercise and recoverysurrogate

Mild-intensity stationary cycling induces expected autonomic shifts characterized by initial parasympathetic withdrawal and sympathetic dominance, followed by parasympathetic reactivation during recovery.

Cite This Study

Malhotra et al. (2023) studied this question.

synapsesocial.com/papers/6a70489075498292b709b13e https://doi.org/10.4103/abr.abr_66_22

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Implication

Mild-intensity stationary cycling predictably alters HRV in healthy adults; leaves open whether these autonomic shifts guide exercise dosing or improve outcomes.

Heart Rate Variability Among Healthy Untrained Adults During Mild Intensity Stationary Cycling Exercise

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Heart Rate Variability Among Healthy Untrained Adults During Mild Intensity Stationary Cycling Exercise

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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Also Consider