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The Ability of the PACER to Elicit Peak Exercise Response in Youth.
MedLine Citation:
PMID:  23274606     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A graded exercise test (GXT) is the standard laboratory method of determining peak aerobic fitness (VO2peak). The FITNESSGRAM's Progressive Aerobic Cardiovascular Endurance Run (PACER) test is commonly used to estimate peak oxygen consumption in youth in the field. PURPOSE: To compare peak physiological variables and peak ratings of perceived exertion (RPEpeak) during a treadmill GXT and the PACER test in 10-15 year old youth. METHODS: Participants (20 boys, 25 girls; 12.7±1.7 y) completed the PACER and treadmill GXT in a randomized order, separated by at least 24 hours. Peak heart rate (HRpeak) was measured via telemetry, VO2peak and peak respiratory exchange ratio (RERpeak) were measured using a portable metabolic system, and participants reported RPEpeak at the end of each test. RESULTS: No significant differences were found between GXT and PACER HRpeak (197 vs. 197 beats·min), RERpeak (1.13 vs. 1.12), VO2peak (45.0 vs. 45.9 ml·kg·min), and RPEpeak (8.4 vs. 8.3). The standard error of the measurement between the GXT VO2peak and PACER VO2peak was 1.4 ml·kg·min. CONCLUSIONS: It appears that the PACER elicits similar peak exercise responses compared to a treadmill GXT. The PACER can also be administered for fitness and functional capacity assessments in healthy and clinical populations.
Authors:
Stacy N Scott; Dixie L Thompson; Dawn P Coe
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-27
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  -     ISSN:  1530-0315     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Kinesiology, Recreation, and Sport Studies The University of Tennessee, Knoxville, TN.
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