Document Detail


Increased strength and decreased flexibility are related to reduced oxygen cost of walking.
MedLine Citation:
PMID:  18758805     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Purpose was to determine effects resistance training/weight loss induced changes in muscular strength and flexibility have on net walking oxygen uptake (netVO(2)). Sixty-seven premenopausal women lost 12 kg. Before weight loss subjects were assigned to diet (WL) or diet/3 days per week resistance training (WLRT). Resting energy expenditure, oxygen uptake while walking at 4.84 km h(-1) on the flat and up 2.5% grade, isometric knee extension strength, and flexibility of the knee extensors and plantar flexors were measured. Strength increased in WLRT (+36 N) but not in WL (-24 N). NetVO(2) decreased significantly while flat walking (7.3%) and 2.5% grade walking (5.7%) in WLRT, but not in WL. Delta strength was negatively while delta knee extensor and plantar flexor flexibility were positively related to delta netVO(2). Decreases in walking and grade netVO(2) were independently and positively related to increased knee extension strength and decreased knee extensor and plantar flexor flexibility.
Authors:
Gary R Hunter; John P McCarthy; David R Bryan; Paul A Zuckerman; Marcas M Bamman; Nuala M Byrne
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2008-08-29
Journal Detail:
Title:  European journal of applied physiology     Volume:  104     ISSN:  1439-6319     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2008-10-08     Completed Date:  2008-12-16     Revised Date:  2013-06-05    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  895-901     Citation Subset:  IM    
Affiliation:
Department of Human Studies, University of Alabama at Birmingham, Room 205 Education Building, 901 13th st south, Birmingham, AL 25294-1250, USA. ghunter@uab.edu
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MeSH Terms
Descriptor/Qualifier:
Combined Modality Therapy
Energy Metabolism
Female
Humans
Knee Joint / physiopathology*
Muscle Strength*
Muscle, Skeletal / physiopathology*
Obesity / diet therapy,  physiopathology,  therapy*
Oxygen Consumption*
Premenopause
Range of Motion, Articular
Resistance Training*
Treatment Outcome
Walking*
Grant Support
ID/Acronym/Agency:
M01 RR-00032/RR/NCRR NIH HHS; M01 RR000032/RR/NCRR NIH HHS; M01 RR000032-460702/RR/NCRR NIH HHS; M01 RR000032-475088/RR/NCRR NIH HHS; P30 DK056336-01/DK/NIDDK NIH HHS; P30-DK 56336/DK/NIDDK NIH HHS; R01 DK 51684/DK/NIDDK NIH HHS; R01 DK049779/DK/NIDDK NIH HHS; R01 DK049779-08/DK/NIDDK NIH HHS; R01 DK049779-09/DK/NIDDK NIH HHS; R01 DK049779-09S1/DK/NIDDK NIH HHS; R01 DK049779-09S2/DK/NIDDK NIH HHS; R01 DK049779-10/DK/NIDDK NIH HHS; R01 DK49779/DK/NIDDK NIH HHS
Comments/Corrections

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