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Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

Physiologic responses during indoor cycling.

Rebecca A Battista¹, Carl Foster, Jessica Andrew

¹University of Wisconsin-La Crosse, La Crosse, Wisconsin, USA.

Journal of Strength and Conditioning Research

|June 12, 2008

Summary

This summary is machine-generated.

Indoor cycling, or spinning, is a high-intensity exercise despite moderate average exertion. Participants frequently exceed maximal oxygen uptake (Vo2max) and ventilatory threshold (VT), indicating significant cardiovascular stress.

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Area of Science:

Exercise Physiology
Sports Science
Cardiovascular Health

Background:

Indoor cycling (spinning) has gained popularity as a group exercise format.
Previous research suggests high exercise intensities during indoor cycling sessions.
Understanding the intensity is crucial for evaluating indoor cycling's efficacy and risks.

Purpose of the Study:

To confirm findings on high exercise intensity during indoor cycling.
To assess the implications of this intensity for exercise efficacy and risk.
To analyze physiological responses during typical indoor cycling classes.

Main Methods:

Twenty healthy female students underwent an incremental exercise test to determine maximal oxygen uptake (Vo2max).
Participants completed two videotaped indoor cycling classes (45 and 35 minutes).
Oxygen consumption (Vo2), heart rate (HR), and rating of perceived exertion (RPE) were measured, with Vo2 data integrated at 30-second intervals.

Main Results:

Mean intensity was moderate (%Vo2max: 74% and 66%).
Significant time spent above ventilatory threshold (VT): 52% (45-min class) and 35% (35-min class).
Transient peaks exceeding Vo2max occurred in 25% of sessions, with cumulative time above Vo2max ranging from 0.5 to 14.0 minutes.

Conclusions:

Indoor cycling, while having moderate average intensity, involves frequent transient peaks exceeding Vo2max.
A substantial portion of exercise occurs above the ventilatory threshold (VT).
Indoor cycling should be classified as a high-intensity exercise, impacting its efficacy and risk profile.