Document Detail


Crossmodal Session Rating of Perceived Exertion Response at Low and Moderate Intensities.
MedLine Citation:
PMID:  21293304     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Green, JM, Laurent, CM, Bacon, NT, ONeal, EK, Davis, JK, and Bishop, PA. Cross-modal session rating of perceived exertion response at low and moderate intensities. J Strength Cond Res 25(X): 000-000, 2011-Session rating of perceived exertion (SRPE) permits global effort estimations after an exercise bout and has shown promise for evaluating training load. However, factors mediating SRPE are not well understood. The purpose of this study was to compare SRPE between cycling and treadmill exercise at low and moderate intensities. In a counterbalanced order, male subjects (n = 7) completed a &OV0312;o2max trial on a cycle ergometer and a motor-driven treadmill. Then, participants completed trials at 50 and 75% mode-specific &OV0312;o2max on a cycle ergometer (BK75, BK50) and a treadmill (TM75, TM50) to achieve ∼400-kcal energy expenditure per trial. Acute RPE (i.e., during exercise) at 5 minutes, midway, and test termination were recorded with SRPE (20-minutes postexercise) expressed as overall (SRPEO), legs (SRPEL), and breathing also recorded were heart rate (HR) and change in rectal temperature (ΔTrec). Significance was accepted at p ≤ 0.05. Repeated-measures analysis of variance revealed significantly greater SRPE for higher intensities within each mode. Crossmodal comparisons also show a higher SRPE at moderate (75% &OV0312;o2max) intensities [SRPEO] = BK75: 7.6 ± 1.0, TM75: 6.9 ± 1.3) vs. lower (50% &OV0312;o2max) intensities (BK50: 4.6 ± 1.4, TM50: 4.6 ± 1.1). Within modes, SRPE corresponded well with ΔTrec and HR. Acute RPE was linked with intensity and drifted upward across time. Results indicated that overall and differentiated SRPEs are magnified with exercise intensity with the corresponding disruption in internal environment potentially mediating subjective responses. From a practical application standpoint, SRPE provides a subjective assessment for immediate evaluation of daily training. Results indicate that, when using SRPE to monitor training, consideration should be given to responses across differing exercise modes.
Authors:
James M Green; Charles M Laurent; Nick T Bacon; Eric K Oneal; Jon K Davis; Phillip A Bishop
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-02
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1Department of Health, Physical Education and Recreation, University of North Alabama, Florence, Alabama; 2Department of Kinesiology, St. Ambrose University, Davenport, Iowa; 3Department of Sport Science, Belmont University, Nashville, Tennessee; and 4Department of Kinesiology, University of Montevallo, Montevallo, Alabama.
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