| TIME COURSE OF STRENGTH AND ECHO INTENSITY RECOVERY FOLLOWING RESISTANCE EXERCISE IN WOMEN. | |
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MedLine Citation:
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PMID: 22037095 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The purpose of this study was to evaluate the time course responses of strength, delayed-onset muscle soreness (DOMS), muscle thickness (MT), circumference (CIRC), and ultrasonography echo intensity (EI), after a traditional hypertrophic isoinertial resistance training session in young women. Ten (22.0 ± 3.2 years) healthy, untrained volunteers participated in the study. The resistance exercise session consisted of four sets of 10 repetitions at 80% of one repetition maximum (1RM) of the dominant arm elbow flexors. Maximum isometric elbow flexion peak torque (PT) at 90°, MT, and EI were recorded for both arms at baseline (PRE), immediately after exercise (0h), and at 24, 48, and 72h after exercise. Comparisons were done using a 2 x 5 mixed factor ANOVA. There was a significant (p < 0.05) loss in PT and increase in MT at 0, 24, 48, and 72h. In contrast, EI increased only after 24, 48, and 72h, not at 0h. There were no significant changes in PT, DOMS, MT, and EI in the non-dominant (control) arm after the exercise protocol. Our data suggest that following 4 sets of 80% of 1RM of unilateral elbow flexion resistance exercise, non-resistance trained women need more than 72h to fully recover muscle strength, MT, CIRC, EI. Furthermore, the EI appears to be a sensitivity and reliable method of MD assessment. |
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Authors:
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Regis Radaelli; Martim Bottaro; Eurico Wilhelm; Dale Wagner; Ronei S Pinto |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-26 |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: - ISSN: 1533-4287 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1Physical Education School, Federal University of Rio Grande do Sul, Brazil; 2College of Physical Education and Exercise Science, University of Brasília, Brazil; 3 Health, Physical Education, and Recreation Dept., Utah State University, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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