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Statements

Subject Item
n2:RIV%2F61989592%3A15510%2F12%3A33118143%21RIV13-MSM-15510___
rdf:type
skos:Concept n3:Vysledek
dcterms:description
Studies of the relationships between BMD, PA and body composition have shown variable results. Therefore, the aim of this cross-sectional study was to determine the relationships between accelerometer-determined PA and selected body composition parameters to total and regional BMD of the proximal femur in postmenopausal women. BMD and body composition were measured using dual energy X-ray absorptiometry in 97 women with a mean age 63.63 5.23 years. PA was monitored using an ActiGraph GT1M accelerometer. Correlation analysis did not show significant relationships between PA variables and BMD, but increases in body composition variables were associated with increases in BMD. Lean body mass was the strongest predictor of proximal femur BMD (r = 0.18-0.37), explaining 10% of the variance for total femur, and 3-14% of the variance for regional femurs. Correlations increased when the analysis was controlled for age (rp = 0.20-0.39). A significant relationship was also found between body fat mass and BMD (r = 0.16-0.30; rp = 0.25-0.37). Analysis of differences between women with normal BMD and osteopenic women showed statistically significant differences in age (p = 0.003) and lean body mass (p = 0.048). In conclusion, body composition is a stronger predictor of proximal femur BMD than PA variables. However, other studies are necessary to clarify the influence of long-term PA and exercise type on proximal femur BMD. Studies of the relationships between BMD, PA and body composition have shown variable results. Therefore, the aim of this cross-sectional study was to determine the relationships between accelerometer-determined PA and selected body composition parameters to total and regional BMD of the proximal femur in postmenopausal women. BMD and body composition were measured using dual energy X-ray absorptiometry in 97 women with a mean age 63.63 5.23 years. PA was monitored using an ActiGraph GT1M accelerometer. Correlation analysis did not show significant relationships between PA variables and BMD, but increases in body composition variables were associated with increases in BMD. Lean body mass was the strongest predictor of proximal femur BMD (r = 0.18-0.37), explaining 10% of the variance for total femur, and 3-14% of the variance for regional femurs. Correlations increased when the analysis was controlled for age (rp = 0.20-0.39). A significant relationship was also found between body fat mass and BMD (r = 0.16-0.30; rp = 0.25-0.37). Analysis of differences between women with normal BMD and osteopenic women showed statistically significant differences in age (p = 0.003) and lean body mass (p = 0.048). In conclusion, body composition is a stronger predictor of proximal femur BMD than PA variables. However, other studies are necessary to clarify the influence of long-term PA and exercise type on proximal femur BMD.
dcterms:title
The relationship between accelerometer-determined physical activity (PA) and body composition and bone mineral density (BMD) in postmenopausal women The relationship between accelerometer-determined physical activity (PA) and body composition and bone mineral density (BMD) in postmenopausal women
skos:prefLabel
The relationship between accelerometer-determined physical activity (PA) and body composition and bone mineral density (BMD) in postmenopausal women The relationship between accelerometer-determined physical activity (PA) and body composition and bone mineral density (BMD) in postmenopausal women
skos:notation
RIV/61989592:15510/12:33118143!RIV13-MSM-15510___
n3:predkladatel
n4:orjk%3A15510
n5:aktivita
n13:S n13:Z
n5:aktivity
S, Z(MSM6198959221)
n5:cisloPeriodika
3
n5:dodaniDat
n11:2013
n5:domaciTvurceVysledku
n15:9751890 n15:2471094 n15:6864740 n15:4572882
n5:druhVysledku
n6:J
n5:duvernostUdaju
n20:S
n5:entitaPredkladatele
n17:predkladatel
n5:idSjednocenehoVysledku
164818
n5:idVysledku
RIV/61989592:15510/12:33118143
n5:jazykVysledku
n16:eng
n5:klicovaSlova
Body fat mass; Lean body mass; Walking; ActiGraph GT1M; Proximal femur area
n5:klicoveSlovo
n7:Body%20fat%20mass n7:Lean%20body%20mass n7:ActiGraph%20GT1M n7:Proximal%20femur%20area n7:Walking
n5:kodStatuVydavatele
IE - Irsko
n5:kontrolniKodProRIV
[469F00BA2F18]
n5:nazevZdroje
Archives of Gerontology and Geriatrics
n5:obor
n8:FP
n5:pocetDomacichTvurcuVysledku
4
n5:pocetTvurcuVysledku
4
n5:rokUplatneniVysledku
n11:2012
n5:svazekPeriodika
54
n5:tvurceVysledku
Pelclová, Jana Gába, Aleš Kapuš, Ondřej Riegerová, Jarmila
n5:wos
000302959400011
n5:zamer
n10:MSM6198959221
s:issn
0167-4943
s:numberOfPages
7
n19:doi
10.1016/j.archger.2012.02.001
n18:organizacniJednotka
15510