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Title: Muscle fibre type, size and satellite cell pool in male volleyball players

Creator:

Balasas, Dimitrios G. ; Mandroukas, Athanasios ; Michailidis, Yiannis ; Drikos, Sotirios ; Sotiropoulos, Κοnstantinos ; Christoulas, Kosmas ; Metaxas, Thomas I. ; Bampouras, Theodoros M.

Object type:

artykuł

Publication date:

2022

NumberOfPages:

6

Abstract:

Introduction. Longitudinal volleyball training stimuli can cause an increase in muscle strength that is brought about by neurological and morphological adaptations, such as changes in muscle fibre composition percentage and cross-sectional area (CSA). Aim of Study. The aim of this study was to examine the biological adaptations of volleyball-players in terms of muscle fiber type composition, cross-sectional area, myonuclei and satellite cell pool in comparison to physically active controls. Material and Methods. Ten professional volleyball-players (VG) and five physically active-persons (CG) participated in this study. Muscle biopsies were obtained from the vastus-lateralis of the dominant leg. Results. Immunohistochemical analysis revealed that although MHC I and MHC IIC muscle fibre distribution was not different between the groups, MHC IIX and MHC IIAX were totally absent in VG and appeared only in the CG. The cross-sectional area revealed a slightly different pattern as both MHC I and IIA were larger for the volleyball players. In accordance, MHC II myonuclei number was moderately larger in the volleyball players, while the satellite cells and their ratio to number of fibres had a large and very large difference, respectively. Conclusions. In conclusion, our study reveals that volleyball training-induced hypertrophy for both type I and II muscle fibres in the vastus lateralis of volleyball players and resulted in a specific shift in muscle fibres containing MHC II isoforms. This hypertrophy of the muscle fibres is associated with an increase in the myonuclear number and satellite cells.

Publisher:

Akademia Wychowania Fizycznego w Poznaniu

Place of publication:

Poznań

ISBN/ISSN:

2299-9590

DOI:

10.23829/TSS.2022.29.2-1

Language:

eng

Previous title:

click here to follow the link ; Studies in Physical Culture and Tourism

Is part of:

Trends in Sport Sciences 2022 Vol.29 No.2

Rights Management:

Akademia Wychowania Fizycznego w Poznaniu ; Biblioteka Akademii Wychowania Fizycznego w Poznaniu

Format:

pp.45-50; 30 cm

Rights:

wszystkie prawa zastrzeżone

Access rights:

dla wszystkich w zakresie dozwolonego użytku

License:

udostępnianie na podstawie umowy z właścicielem majątkowych praw autorskich

Rights holder:

Akademia Wychowania Fizycznego w Poznaniu

Digitisation:

Biblioteka Akademii Wychowania Fizycznego w Poznaniu

Location of original object:

Biblioteka Akademii Wychowania Fizycznego w Poznaniu

Exlibris

Subject and keywords:

volleyball muscle fibre cross-sectional area satellite cells

Object collections:

Last modified:

Sep 14, 2023

In our library since:

Dec 30, 2022

Number of object content hits:

21

All available object's versions:

https://wbc.poznan.pl/publication/612200

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Edition name Date
Muscle fibre type, size and satellite cell pool in male volleyball players Sep 14, 2023

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ul. Jana Pawła II 10
61-139 Poznań

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wbc@man.poznan.pl

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