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Changes in Perceived Recovery Status Scale Following High Volume, Muscle Damaging Resistance Exercise.
MedLine Citation:
PMID:  23287827     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ABSTRACT: Currently no research has investigated the relationship between muscle damage, hormonal status, and perceived recovery scale (PRS). Therefore, the purpose of this study was to determine the effects of a high volume training session on PRS and to determine the relationship between levels of testosterone, cortisol and creatine kinase (CK) and PRS. Thirty-five trained subjects (21.3 ± 1.9 years) were recruited. All subjects participated in a high volume resistance training session consisting of 3 sets of full squats, bench press, deadlifts, pullups, dips, bent over rows, shoulder press, and barbell curls and extensions. Pre and post PRS scale measurements (0-10), soreness, creatine kinase (CK), cortisol, and testosterone were measured prior to and 48 hours following training. PRS declined from 8.6 ± 2.3 to 4.2 ± 1.85 (p < 0.05). Leg, chest, and arm soreness increased from pre to post exercise. Creatine kinase significantly increased from pre to post workout (189.4 ± 100.2 to 512 ± 222.7 U/L). Cortisol, testosterone, and free testosterone did not change. There was an inverse relationship between CK and PRS (r=0.58, p < 0.05). When muscle damage was low prior to training, cortisol, free and total testosterone were not correlated to PRS. However, when damage peaked at 48 hours post exercise, free, but not total testosterone, showed a low, direct relationship with PRS (r=0.2, p < 0.05). High volume resistance exercise lowers PRS scores. These changes are partly explained by a rise in serum indices of muscle damage. Moreover, free testosterone appears to have a positive relationship to PRS.
Authors:
Eric M Sikorski; Jacob M Wilson; Ryan P Lowery; Jordan M Joy; C Matthew Laurant; Stephanie M-C Wilson; Domini Hesson; Marshall A Naimo; Brian Averbuch; Phil Gilchrist
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-2
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:  2013 Jan 
Date Detail:
Created Date:  2013-1-4     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 Biology, The University of Tampa, Tampa FL 2Department of Health Sciences and Human Performance, The University of Tampa, Tampa FL 3School of Human Movement, Sport and Leisure Studies, Bowling Green State University, Bowling Green, OH 4Department of Nutrition, IMG Performance Institute, IMG Academies, Bradenton, FL.
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