Document Detail


Effect of Training Status on Reliability of 1RM Testing in Women.
MedLine Citation:
PMID:  23037618     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ABSTRACT: In untrained adults, multiple trials of maximal strength testing are necessary to obtain reliable measures. Training status may positively influence test-retest reliability and increase testing efficiency. The purpose of this study was to evaluate the effect of training status on differences between trials of one repetition maximum (1RM) measurement in women. Before (UTW) and after (TRW) an 8-week resistance training program, 10 women (45.6 ± 1.4 years; BMI 28.7± 1.6 kg/m) completed 3 trials of 1RM chest and leg press with at least 24 hours rest between trials. In UTW, differences between chest press trials were non-significant (Trials 1-2: 2.36 ± 1.39 kg, p = 0.37; Trials 2-3: 0.82 ± 0.77 kg, p = 0.95; Trials 1-3: 3.18 ± 0.16 kg, p = 0.07), although a significant difference between leg press trials 1-3 was observed (Trials 1-2: 6.55 ± 3.31 kg, p = 0.25; Trials 2-3: 2.52 ± 1.1 kg, p = 0.15; Trials 1-3: 9.07 ± 2.83 kg, p = 0.04). In TRW, differences between all 1RM trials were non-significant for both the chest press (Trials 1-2: -0.65 ± 2.11 kg, p = 1.0; Trials 2-3: 1.62 ± 0.69 kg, p = 0.15, Trials 1-3: 0.96 ± 2.07 kg, p = 1.0) and leg press (Trials 1-2: -1.51 ± 2.13 kg, p = 1.0; Trials 2-3: 3.53 ± 3.0 kg, p = 0.82; Trials 1-3: 2.01 ± 3.87 kg, p = 1.0). Our results suggest that training status has a positive influence on the efficiency of maximal strength measurement. For trained middle-aged women a single trial of 1RM chest or leg press may be sufficient to obtain an accurate and reliable measure of maximal strength.
Authors:
Melissa J Benton; Scot Raab; Green T Waggener
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-3
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-5     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:
1College of Nursing, Valdosta State University, Valdosta, GA 2Department of Physical Therapy & Athletic Training, Northern Arizona University, Flagstaff, AZ 3Department of Health, Leisure, & Exercise Science, University of West Florida, Pensacola, FL.
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