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Although analysis of lactate concentrations with a Yellow Springs Instruments (YSI) automated analyzer has become very popular in Sports Medicine, the accuracy and reliability of this technique has not been carefully studied. Additionally, the influence of a common lysing agent Triton X-100 (TX) on blood lactate measurements has not been determined. Blood(More)
The relationship between energy expenditure and obesity was examined in prepubertal children. Consenting fifth graders underwent Tanner Staging, weight, height and skinfold measurements. Subjects were selected for further study to obtain equal numbers of girls and boys with a wide range of body composition. Weight, total daily energy expenditure (TDEE) by(More)
This study assessed workers' ability to sustain work output over four consecutive workdays in encapsulating protective clothing (PC). Six subjects wearing a two-piece PC ensemble cycled at a work rate of 38 W in a 29/22 degrees C (dry/wet bulb) ambient temperature. Work continued until rectal temperature (Tre) reached 38.3 degrees C, or volitional fatigue.(More)
Despite the popularity of measuring blood lactic acid concentrations, many of the common variations in technique have not been evaluated. The purposes of this study were to: 1) establish the relationship between plasma and blood lactate concentrations, 2) determine the inter-analyzer reliability, and 3) assess the stability of lactate concentration in blood(More)
The standard method for determination of density (g/cm3) of bones from small animals has been the application of Archimedes' principle. A recent development has been software for the determination of "density" (g/cm2) of small animal bones with dual-energy X-ray absorptiometry (DXA). We compared Archimedes' principle and DXA (Hologic QDR-2000) in the(More)
BACKGROUND Experts recommend obtaining one-time dual- (inter)-arm blood pressure (BP) measurements to predict cardiovascular morbidity risk. OBJECTIVES To determine differences in inter-arm systolic (S)/diastolic (D) BPs obtained simultaneously and sequentially and examine associations between patient factors and clinical outcomes and inter-arm BP(More)
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