Role of Menopausal Transition and Physical Activity in Loss of Lean and Muscle Mass : A Follow-Up Study in Middle-Aged Finnish Women
Publiceringsår
2020
Upphovspersoner
Juppi, Hanna-Kaarina; Sipilä, Sarianna; Cronin, J. Neil; Karvinen, Sira; Karppinen, E. Jari; Tammelin, H. Tuija; Aukee, Pauliina; Kovanen, Vuokko; Kujala, M. Urho; Laakkonen, K. Eija
Abstrakt
In midlife, women experience hormonal changes due to menopausal transition. A decrease especially in estradiol has been hypothesized to cause loss of muscle mass. This study investigated the effect of menopausal transition on changes in lean and muscle mass, from the total body to the muscle fiber level, among 47–55-year-old women. Data were used from the Estrogenic Regulation of Muscle Apoptosis (ERMA) study, where 234 women were followed from perimenopause to early postmenopause. Hormone levels (estradiol and follicle stimulating hormone), total and regional body composition (dual-energy X-ray absorptiometry (DXA) and computed tomography (CT) scans), physical activity level (self-reported and accelerometer-measured) and muscle fiber properties (muscle biopsy) were assessed at baseline and at early postmenopause. Significant decreases were seen in lean body mass (LBM), lean body mass index (LBMI), appendicular lean mass (ALM), appendicular lean mass index (ALMI), leg lean mass and thigh muscle cross-sectional area (CSA). Menopausal status was a significant predictor for all tested muscle mass variables, while physical activity was an additional significant contributor for LBM, ALM, ALMI, leg lean mass and relative muscle CSA. Menopausal transition was associated with loss of muscle mass at multiple anatomical levels, while physical activity was beneficial for the maintenance of skeletal muscle mass.
Visa merOrganisationer och upphovspersoner
Publikationstyp
Publikationsform
Artikel
Moderpublikationens typ
Tidning
Artikelstyp
En originalartikel
Målgrupp
VetenskapligKollegialt utvärderad
Kollegialt utvärderadUKM:s publikationstyp
A1 Originalartikel i en vetenskaplig tidskriftPublikationskanalens uppgifter
Journal
Förläggare
Volym
9
Nummer
5
Artikelnummer
1588
ISSN
Publikationsforum
Publikationsforumsnivå
1
Öppen tillgång
Öppen tillgänglighet i förläggarens tjänst
Ja
Öppen tillgång till publikationskanalen
Helt öppen publikationskanal
Parallellsparad
Ja
Publiceringsavgift för öppen tillgång €
1900
Betalningsår för den öppen tillgång publiceringsavgiften
2020
Övriga uppgifter
Vetenskapsområden
Folkhälsovetenskap, miljö och arbetshälsa; Gymnastik- och idrottsvetenskap
Nyckelord
[object Object],[object Object],[object Object],[object Object],[object Object]
Publiceringsland
Schweiz
Förlagets internationalitet
Internationell
Språk
engelska
Internationell sampublikation
Ja
Sampublikation med ett företag
Nej
DOI
10.3390/jcm9051588
Publikationen ingår i undervisnings- och kulturministeriets datainsamling
Ja