Development of a Prediction Equation for the Futrex 5000 Body Fat Analyzer for the Estimation of Hydrostatically Determined Body Density on a Sample of College-age Males PDF Download
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Author: Dierk Sandner
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 242
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Book Description
Author: Dierk Sandner
Publisher:
ISBN:
Category : Body composition
Languages : en
Pages : 242
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Book Description
Author: Lisa Mia Hohl
Publisher:
ISBN:
Category : Adipose tissues
Languages : en
Pages : 206
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Book Description
Author: Scarlet Rae Johnson
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Clifford J. Singhaus
Publisher:
ISBN:
Category : Body weight
Languages : en
Pages : 182
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Book Description
Author: Jacqueline Mary Kuta
Publisher:
ISBN:
Category :
Languages : en
Pages : 176
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Book Description
Author: Sydney Lou Bonnick
Publisher: Springer Science & Business Media
ISBN: 1592599923
Category : Medical
Languages : en
Pages : 428
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Book Description
Sydney Lou Bonnick, MD, FACP, and Lori Ann Lewis, MRT, CDT, have updated and expanded their highly praised Bone Densitometry for Technologists to reflect the latest standards and developments in the field. Here radiologic technologists, nurse practitioners, physician assistants, and dedicated densitometry technologists can find new guidelines for bone density testing, new therapies for osteoporosis, and new treatment guidelines for osteoporosis, as well as new chapters on pediatric densitometry, body composition assessments, and the use of skeletal morphometry in diagnosis and fracture risk prediction.
Author: Tiffany Malia Bauguess
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: Zackary Cicone
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages :
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Book Description
Doubly indirect methods of assessing body composition are commonly used in laboratory and practical settings. The purpose of this dissertation was to expand upon the methodological discrepancies associated with various techniques, and to provide improved equations to overcome these limitations. A series of three studies was conducted to 1) improve the estimation of underwater residual lung volume (RLV), 2) systematically review and quantify the error associated with single-frequency bioimpedance analysis (SFBIA) for the determination of total body water (TBW), and 3) develop a novel equation for predicting percent body fat (%BF) from skinfolds using a criterion multi-compartment model. The first study developed an equation for the prediction of underwater RLV in healthy adults using age and height as predictor variables. The new equation produced superior validity statistics upon cross-validation compared to four existing equations, indicating that it may be used by practitioners to accurately estimate underwater RLV during hydrostatic weighing. The second study systematically reviewed and meta-analyzed 264 effects from 51 original studies designed to compare SFBIA to criterion dilution methods for TBW estimation. Although a non-significant overall effect was identified, there was significant variability associated with SFBIA methodology (i.e., frequency and resistivity index) and sample sex (% female). Moderator analyses indicated that SFBIA procedures utilizing Ht2/R at 100 kHz produced the most accurate estimate of TBW when compared to isotope dilution techniques. The third study developed a skinfold-based equation for the prediction of five-compartment model %BF in a sample of healthy adults. The new equation outperformed selected existing equations when cross-validated, indicating its potential utility for practitioners concerned with obtaining accurate estimates of %BF in the general population.
Author: Roxanne M. Reed
Publisher:
ISBN:
Category : Human body
Languages : en
Pages : 126
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Book Description
The purpose of this investigation was to develop multiple regression equations to predict body density in prepubescent males using the Harpenden, Lange, and Fat-0-Mate%- skinfold calipers. The subjects were 59 males aged 7-11 years (y = 9.3 +/- 1.2), body weight of 34.5 kg (28.4), height of 139.9 cm (210.5) and body density of 1.0506 gm/cc (t.0128). Variables assessed included 12 skinfold sites, 8 body circumferences, 7 body diameters, residual volume (via closed circuit oxygen dilution) and the Jensen modification of hydrostatic weighing. Independent variables for each caliper were anterior thigh, triceps and abdominal skinfolds (Harpenden): anterior thigh, biceps and abdominal skinfolds (Lange) I and anterior thigh, biceps, calf and abdominal skinfolds (Fat-0-Meter) with multiple R's of .93, .93 and.-94 respectively (all (all p
Author: J. A. Hodgdon
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
In October of 1981, OPNAVINST 6110.1B was promulgated establishing the percentage of body weight contributed by fat mass (%BF) as the basis for weight control decisions. Tables based upon the work of Wright, Dotson, and Davis allowing prediction of %BF from abdominal and neck circumferences were accepted for use on an interim basis. This report covers validation of the equation of Wright and his co-workers, as well as the development and cross- validation of a new equation which offers improved prediction of %BF for U.S. Navy male personnel. Anthropometric measures consisting of 8 skinfold thicknesses, 12 body circumferences, height, and body weight were made on 602 male U.S. Navy personnel aged 18-56 years (mean age = 32 yrs). In addition, each participant had her body density and %BF determined by underwater weighing. Validity of the equation of Wright and co-workers was assessed by correlation between predicted and measured %BF. The correlation coefficient = 0.87 (std. err. meas. = 3.99 %BF). Errors in prediction near the Navy minimum standard of 22% BF, dictated development of a new equation.
