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Exercise during gravity inversion: acute and chronic effects.

P R Vehrs1, S A Plowman, B Fernhall

  • 1Northern Illinois University, DeKalb.

Archives of Physical Medicine and Rehabilitation
|November 1, 1988
PubMed
Summary
This summary is machine-generated.

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Gravity inversion is not an exercise and can cause dangerous blood pressure increases. Inverted exercises are not recommended, and medical screening is crucial before using inversion devices.

Area of Science:

  • Physiology
  • Exercise Science

Background:

  • Gravity inversion devices are popular for purported health benefits.
  • The classification of gravity inversion as an exercise and its physiological safety remain unclear.

Purpose of the Study:

  • To determine if gravity inversion qualifies as exercise.
  • To assess the safety of blood pressure responses during passive inversion and inverted exercise.

Main Methods:

  • Measured systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), and oxygen consumption (VO2) in 19 healthy men across seven positions.
  • Subjects underwent a five-week inversion training program, with retesting afterward.

Main Results:

  • Passive inversion (INV) significantly increased SBP/DBP and decreased HR compared to standing passive (STD).

Related Experiment Videos

  • Inverted exercise (INVE) further elevated blood pressure to 158/101 mmHg, increasing cardiac workload.
  • No physiological adaptations were observed from inversion training.

    • Conclusions:

    • Gravity inversion should not be classified as exercise due to significant cardiovascular responses.
    • Previously suggested inverted exercises are not recommended.
    • Medical screening is essential before using inversion devices due to potential risks.