Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Parasympathetic heart rate modulation during parabolic flights.

F Beckers1, B Seps, D Ramaekers

  • 1Laboratory of Experimental Cardiology, University Hospital Gasthuisberg O/N, Herestraat 49, 3000 Leuven, Belgium.

European Journal of Applied Physiology
|June 18, 2003
PubMed
Summary

During parabolic flights, posture significantly impacts cardiovascular measurements. Standing subjects showed higher heart rate variability (HRV) in microgravity, indicating increased vagal modulation, unlike supine subjects.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Real-world demographics, clinical characteristics, and testing and treatment patterns in patients with non-small-cell lung cancer and extensive-stage small-cell lung cancer in Belgium: the AIBED study.

ESMO real world data and digital oncology·2026
Same author

Development of a patient-reported experience measure for chronic inflammatory skin diseases.

Journal of the European Academy of Dermatology and Venereology : JEADV·2022
Same author

Care for adult non-ICU Covid-19 patients: early experiences from a Belgian tertiary care centre.

The Netherlands journal of medicine·2020
Same author

Medication review by a clinical pharmacist at the transfer point from ICU to ward: a randomized controlled trial.

Journal of clinical pharmacy and therapeutics·2017
Same author

Patient and provider acceptance of telecoaching in type 2 diabetes: a mixed-method study embedded in a randomised clinical trial.

BMC medical informatics and decision making·2016
Same author

Health Care Costs in Patients With Type 2 Diabetes in Flanders Based on A Combination of Clinical And Health Insurance Data.

Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research·2016

Area of Science:

  • Cardiovascular Physiology
  • Space Medicine
  • Autonomic Nervous System

Background:

  • Parabolic flights simulate microgravity and hypergravity, offering unique conditions to study physiological responses.
  • Cardiovascular function is known to be influenced by changes in gravity and body posture.

Purpose of the Study:

  • To investigate the effects of different gravity phases (microgravity, hypergravity) on heart rate variability (HRV).
  • To assess the influence of body posture (standing vs. supine) on cardiovascular responses during parabolic flight.

Main Methods:

  • Continuous electrocardiogram (ECG) recording in seven healthy volunteers during ESA's 29th parabolic flight campaign.
  • Analysis of HRV using temporal indices (meanRR, SDRR, rMSSD, CV) across five distinct gravity phases (1g, 1.8g, 0g, 1.6g).

Related Experiment Videos

  • Comparison of HRV data between standing and supine positions during different gravity phases.

    • Main Results:

    • In the supine position, no significant differences in HRV indices were observed across different gravity phases.
    • In the standing position, microgravity (0g) showed a tendency towards higher mean RR intervals and significantly higher SDRR, rMSSD, and CV compared to control.
    • Supine subjects exhibited significantly higher mean RR intervals during 1g and hypergravity compared to standing subjects.

    Conclusions:

    • Body posture is a critical factor in cardiovascular measurements during parabolic flights.
    • Microgravity exposure during parabolic flight enhances vagal modulation of the autonomic nervous system in standing individuals.
    • Cardiovascular responses to altered gravity are position-dependent, with no significant changes observed in the supine position.