Next Article in Journal
Effects of Video-Based Visual Training on Decision-Making and Reactive Agility in Adolescent Football Players
Previous Article in Journal
Reliability of the Single-Visit Field Test of Critical Speed in Trained and Untrained Adolescents
Article Menu

Export Article

Open AccessArticle
Sports 2015, 3(4), 369-382;

Physiological Responses Underlying the Perception of Effort during Moderate and Heavy Intensity Cycle Ergometry

Department of Nutrition and Health Sciences, 211 Ruth Leverton Hall, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
Author to whom correspondence should be addressed.
Academic Editor: Eling Douwe de Bruin
Received: 1 November 2015 / Revised: 3 December 2015 / Accepted: 7 December 2015 / Published: 14 December 2015
View Full-Text   |   Download PDF [314 KB, uploaded 14 December 2015]   |  


This study examined patterns of responses for physiological and perceptual variables during cycle ergometry at a constant rate of perceived exertion (RPE) within the moderate and heavy exercise intensity domains. Nineteen (mean age 21.3 ± 0.5 years; 43.4 ± 2.0 mL·kg−1·min−1 V ˙ O 2 Peak ) moderately trained cyclists performed an incremental test to exhaustion and two 60 min constant RPE rides at the RPE corresponding to the gas exchange threshold (RPEGET) and 15% above the GET (RPEGET+15%). Oxygen consumption ( V ˙ O2), respiratory exchange ratio (RER), heart rate (HR), minute ventilation ( V ˙ E ), breathing frequency ( ℱ b ), and power output (PO) were monitored throughout the rides. Polynomial regression analyses showed V ˙ O2, RER, HR, and V ˙ E (correlation = −0.85 to −0.98) tracked the decreases in PO required to maintain a constant RPE. Only ℱ b tracked RPE during the moderate and heavy intensity rides. Repeated measures ANOVAs indicated that V ˙ O2 during the 60 min rides at RPEGET was not different (p > 0.05) from V ˙ O2 at GET from the incremental test to exhaustion. Thus, monitoring intensity using an RPE associated with the GET is sustainable for up to 60 min of cycling exercise and a common mechanism may mediate ℱ b and the perception of effort during moderate and heavy intensity cycle ergometry. View Full-Text
Keywords: gas exchange threshold; perception; respiration; exercise intensity gas exchange threshold; perception; respiration; exercise intensity

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Share & Cite This Article

MDPI and ACS Style

Cochrane, K.C.; Housh, T.J.; Hill, E.C.; Smith, C.M.; Jenkins, N.D.; Cramer, J.T.; Johnson, G.O.; Schmidt, R.J. Physiological Responses Underlying the Perception of Effort during Moderate and Heavy Intensity Cycle Ergometry. Sports 2015, 3, 369-382.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Sports EISSN 2075-4663 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top