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Full-Text Articles in Life Sciences

Relationship Between Total Body Mass, Fat-Free Mass, Fat Mass, And Bone Mineral Density Of The Hip In Middle-Age Women: The Roles Of Diet, Physical Activity, And Menopause, Elizabeth Reid Fosson Jul 2012

Relationship Between Total Body Mass, Fat-Free Mass, Fat Mass, And Bone Mineral Density Of The Hip In Middle-Age Women: The Roles Of Diet, Physical Activity, And Menopause, Elizabeth Reid Fosson

Theses and Dissertations

Objective: This study was conducted to investigate the relationship between hip bone mineral density (BMD), fat free mass (FFM), fat mass (FM), and total body mass (TBM) and the extent to which these relationships were modified by various confounding factors. The cross-sectional analysis included 262 healthy females (mean age 41.6±3.0 years). Methods: BMD of the hip and body composition were assessed by the Hologic 4500W dual energy x-ray absorptiometry (DXA) system. Total and intensity of physical activity (PA) were objectively measured using an Actigraph accelerometer. Dietary calcium and vitamin D from food and beverages, as well as from supplements, were …


Reliability And Validity Of The Body Caliper To Evaluate Body Composition, Gregory L. Stalker May 2012

Reliability And Validity Of The Body Caliper To Evaluate Body Composition, Gregory L. Stalker

UNLV Theses, Dissertations, Professional Papers, and Capstones

The Body Caliper is a relatively new model of skin–fold caliper (approximately 13 years old) whose reliability and validity has yet to be investigated on an adult population. Therefore, the purpose of this study was to investigate the reliability and validity of the Body Caliper as an instrument and method for evaluating body composition in adults. One hundred adults (62 men, 38 women) aged 18 to 60 years participated in this cross–sectional study. Skin–fold measurements were taken with the Body Caliper using the YMCA protocol, and body density was calculated by the Jackson & Pollock sum–of–3 equations for men and …


Intensity Of Physical Activity And Body Composition: A Cross-Sectional Analysis Of Young Adult Women, Pamela Ruth Borup Mar 2012

Intensity Of Physical Activity And Body Composition: A Cross-Sectional Analysis Of Young Adult Women, Pamela Ruth Borup

Theses and Dissertations

Purpose: The purpose of this study was to assess the relationship between intensity of physical activity and body composition in 239 young adult women.

Methods: This study was cross-sectional. Participants were recruited from October 2009 to December 2011 and included women from 36 different states and 6 different countries. Physical activity was objectively measured using accelerometers worn for seven days. Body composition was measured using the BOD POD. Height, weight, and circumferences were assessed.

Results: Participant's mean age was 20.6±1.6 years. Their mean BMI was 22.6±3.0 kg/m2 and mean body fat percentage was 26.4±6.3 %. Average total activity counts per …