Abstract：
:The aim of this study was to investigate the association between volume and frequency of moderate-intensity PA and step-based recommendations and individual body composition variables. Our cohort included 167 healthy ambulatory women (mean age 62.8 ± 4.8 years; body mass index [BMI] 27.3 ± 4.2 kg/m(2)) who carried out daily activities while wearing the ActiGraph GT1M accelerometer over a seven day period. Measurements of BMI, body fat mass index (BFMI), fat-free mass index (FFMI), waist-hip ratio (WHR) and visceral fat area (VFA) were obtained by the InBody 720 multifrequency bioelectrical impedance analysis (MFBIA) device. The significant relationship (r(s)=0.66; p<0.05) was found between moderate PA and steps per day. Moderate PA (r(2)=0.03-0.06) and steps per day (r(2)=0.05-0.20) were significantly associated with observed body composition parameters. Women spending > 300 min/week in moderate PA showed significantly lower values of BFMI (p=0.02) than those who spent 150-300 min/week. Carrying out moderate PA for 30 min 5 days a week was significantly associated with lower BMI (p=0.04; η(2)=0.02), BFMI (p=0.02; η(2)=0.03) and VFA (p=0.03; η(2)=0.03). In addition, higher amounts of daily steps were significantly associated with lower BMI (p=0.00; η(2)=0.16), BFMI (p=0.00; η(2)=0.21), VFA (p=0.00; η(2)=0.20) and WHR (p=0.00; η(2)=0.13). A clear association was found between the generally recommended PA guidelines and body composition variables for the women examined in this study. However, the concept of 10,000 steps/day appears to be the strongest predictor of health-related body composition values.
journal_name
Arch Gerontol Geriatrjournal_title
Archives of gerontology and geriatricsauthors
Pelclová J,Gába A,Tlučáková L,Pośpiech Ddoi
10.1016/j.archger.2012.06.014subject
Has Abstractpub_date
2012-09-01 00:00:00pages
e14-20issue
2eissn
0167-4943issn
1872-6976pii
S0167-4943(12)00138-0journal_volume
55pub_type
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