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Relation between muscle mass, motor units and type of training in master athletes

Drey, Michael and Sieber, Cornel C. and Degens, Hans and McPhee, Jamie S. and Korhonen, Marko and Müller, Klaus and Ganse, Bergita and Rittweger, Jörn (2016) Relation between muscle mass, motor units and type of training in master athletes. Clinical Physiology and Functional Imaging, 36 (1), pp. 70-76. Wiley. doi: 10.1111/cpf.12195. ISSN 1475-0961.

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Objective The aim of this study was to measure the number of motor units and muscle mass in power-trained and endurance-trained master athletes compared with community-dwelling older adults. Methods Seventy-five master athletes (52 power- and 23 endurance-trained athletes) were recruited at the 2012 European Veteran Athletics Championships in Zittau (Germany). One hundred and forty-nine community-dwelling older adults served as controls. In all participants, the motor unit number index (MUNIX) in the hypothenar muscle and whole body muscle mass was determined by bioelectrical impedance analysis (BIA). Results In both male and female master athletes, there were significant negative correlations between age and muscle mass (female: r = −0·510, P = 0·002; male: r = −0·714, P<0·001). Master athletes showed a weak correlation (r = −0·295, P = 0·010) between MUNIX and age. Master athletes exhibited significantly higher values than the control group with regard to both muscle mass (P = 0·002) and motor units (P = 0·004). Subanalysis showed that only power trained master athletes had both a larger muscle mass (P<0·001) and a higher MUNIX (P = 0·014) than the control group. Among the master athletes, power-trained athletes had a larger (P<0·001) muscle mass than endurance-trained athletes. Conclusions The present data of master athletes are compatible with the hypothesis of an age-related decline in whole body muscle mass and motor units. Nevertheless, the data suggest that the master athletes’ high level of physical activity may protect motoneurons. In addition, power training seems to have a positive effect on muscle mass and could therefore be an effective method of training to prevent sarcopenia.

Item URL in elib:https://elib.dlr.de/105087/
Document Type:Article
Title:Relation between muscle mass, motor units and type of training in master athletes
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Drey, MichaelUniversity of Erlangen-Nuremberg, Institute for Biomedicine ofUNSPECIFIED
Sieber, Cornel C.School of Healthcare Science, Manchester Metropolitan University, ManchesterUNSPECIFIED
Degens, HansManchester Metropolitan UniversityUNSPECIFIED
McPhee, Jamie S.Manchester Metropolitan UniversityUNSPECIFIED
Korhonen, MarkoUniversity of JyväskyäUNSPECIFIED
Müller, KlausInstitute of Aerospace Medicine, Deutsches Zentrum für Luft- und Raumfahrt, DLR e.V., Cologne, GermanyUNSPECIFIED
Ganse, BergitaBergita.Ganse (at) dlr.deUNSPECIFIED
Rittweger, JörnJoern.Rittweger (at) dlr.deUNSPECIFIED
Date:January 2016
Journal or Publication Title:Clinical Physiology and Functional Imaging
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1111/cpf.12195
Page Range:pp. 70-76
Keywords:ageing; EMG; master athlete; MUNIX; muscle; sarcopenia
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Vorhaben Integrative Studien (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Space Physiology
Deposited By: Becker, Christine
Deposited On:06 Jul 2016 12:39
Last Modified:08 Mar 2018 19:03

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