Issn Print: 0195-9131
Publication Date: 2001/05/01
INTRAINDIVIDUAL CHANGES IN SELF-MONITORED HEART RATES AND RATINGS OF PERCEIVED EXERTION DURING A NINE-WEEK AEROBIC TRAINING PROGRAM
T E. Ward; S Holder; S Weeks
+ Author Information
Author Information: Texas A&M University-Commerce Commerce, TX
Excerpt
The purpose of this study was to compare intraindividual differences over time on self-monitored HR (SHR) and Ratings of Perceived Exertion (RPE). The subjects were 19 volunteer college-aged students (M = 20 ± 7 y; range = 18–26 y.) enrolled in an aerobic dance class. The sample included 17 females and 2 males. HRs monitored by Polar HR monitors (PHR) served as the criterion. Data were collected at two week intervals throughout the study. A repeated measures ANOVA was used to make intraindividual comparisons on the measures and coefficients of variations were computed on PHR, SHR and RPE. PHR ranged from 158.5 ± 4.3 bpm (5th measure) to 167.8 ± 3.4 bpm (1st and 4th measures). SHR ranged from 159.5 ± 6.6 bpm (2nd measure) to 187.8 ± 9.2 bpm (5th measure). RPE ranged from 14.3 ± 1.6 (2nd measure) to 15.0 ± 1.5 (5th measure). No sign. (p ± .05) within subject differences were found on RPE or PHR but sign. differences were found on SHR. The coefficients of variation demonstrated more consistency with PHR (8.0% to 11.7%) and RPE (9.5% to 11.2%) but less consistency with SHR (15.3% to 25.4%). The results of this study indicate that RPE is more stable over time than SHR and RPE shows less variability than SHR. It is concluded that with these S's, RPE is a better means of monitoring exercise intensity than SHR when PHR is the criterion.
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