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Physiological responses to low-intensity stationary cycling with intermittent positive and negative pressure an exploratory study
Journal article   Peer reviewed

Physiological responses to low-intensity stationary cycling with intermittent positive and negative pressure an exploratory study

Luke Del Vecchio, Mike Climstein and Rosalind Beavers
Movement & sport sciences, Vol.128, pp.23-32
15/01/2025
DOI: https://doi.org/10.1051/sm/2024033
Appears in  Recent Faculty of Health Publications

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Abstract

Intermittent positive and negative pressure Heart rate variability Systolic blood pressure Cardiovascular dynamics Mean arterial pressure
Abstract--Background: This study evaluated the physiological responses to intermittent positive and negative pressure (IPNP) in17 healthy, recreationally active individuals(10males,averageage33.1years, meanBMI26.1kg/m2) during stationary, upright cycling. Methods: We assessed acute IPNP effects on heart rate variability (HRV), blood pressure, and cardiovascular responses during moderate-intensity exercise. Participants engaged in two exercise modalities: Monark cycle ergometry(Mc) and cycling with IPNP, ranging from ±15 to ±25 Mbar. Results: Results indicated normal physiological responses in heart rate and systolic blood pressure(SBP) from rest to peak exercise in both modalities. Anon-significant difference in SBP was observed during Mc compared to IPNP. Significant differences in mean arterial pressure were noted during recovery from IPNP cycling, highlighting a distinct cardiovascular response. HR increased in both conditions during exercise, with a more pronounced increase during Mc. Comfort and perceived exertion revealed no significant differences between the two modalities, indicating the potential acceptability of IPNP therapies. Conclusion: The study provides valuable insights into cardiovascular dynamics during stationary cycling with intermittent positive and negative pressure and highlights key physiological responses that warrant further investigation.

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