Document Detail


Effects of combined lower body endurance and upper body resistance training on the satellite cell pool in elderly subjects.
MedLine Citation:
PMID:  18671293     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To distinguish the respective potential of endurance and resistance training to increase the satellite cell pool, we investigated the effects of 14 weeks of concurrent lower body endurance and upper body resistance training (3 sessions/week) on vastus lateralis (VLat) and deltoid (Del) muscles of 10 active elderly men. NCAM+ satellite cells and myonuclear number were assessed in VLat and Del. After 14 weeks of training the NCAM+ satellite cell pool increased similarly (+38%) in both muscles, mainly in type II muscle fibers (P < 0.05). There was no significant change in myonuclear number or myonuclear domain in either muscle. Combining resistance training in the upper limbs with endurance training in the lower limbs is an efficient strategy to enhance the satellite cell pool in upper and lower body muscles in elderly subjects. Our results provide a practical reference for the determination of optimal exercise protocols to improve muscle function and regeneration in the elderly.
Authors:
Julien Verney; Fawzi Kadi; Nadia Charifi; Léonard Féasson; Mohamed Ali Saafi; Josiane Castells; Karin Piehl-Aulin; Christian Denis
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Muscle & nerve     Volume:  38     ISSN:  0148-639X     ISO Abbreviation:  Muscle Nerve     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-08-28     Completed Date:  2008-11-05     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7803146     Medline TA:  Muscle Nerve     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1147-54     Citation Subset:  IM    
Affiliation:
Laboratory of Physiology and Physiopathology of Exercise and Handicap, University Jean Monnet, University Hospital, Saint Etienne, France.
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MeSH Terms
Descriptor/Qualifier:
Aged
Biopsy / methods
Cell Culture Techniques / methods
Confidence Intervals
Exercise / physiology*
Geriatric Assessment*
Humans
Lower Extremity / innervation*
Male
Muscle Contraction / physiology
Muscle Fibers, Skeletal / classification,  physiology
Muscle Strength / physiology
Muscle, Skeletal / cytology*,  physiology
Neural Cell Adhesion Molecules / metabolism
Physical Education and Training / methods
Satellite Cells, Skeletal Muscle / physiology*
Upper Extremity / innervation*
Chemical
Reg. No./Substance:
0/Neural Cell Adhesion Molecules

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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