Abstract Despite the clear benefits that resistance training might have in weight management the effects of resistance training on adiposity in sedentary individuals are unsubstantiated. As such, the aim of the study was to determine the effect of resistance training on anthropometric measures of total, central and abdominal adiposity. Twenty-five healthy, sedentary males not on an energy-restricted diet were assigned to a non-exercising control group (CON) (n = 12) or a resistance training group (RES) (n = 13) to determine the effect of 16 weeks of resistance training on anthropometric measures of total, centrally located and abdominal adiposity. Resistance training was prescribed three times weekly using eight exercises for three sets of 15 repetitions at 60% of one-repetition maximum. Resistance training decreased three of the six anthropometric measures of total adiposity and increased body mass and body mass index (BMI). Resistance training had no impact on the measures of centrally located and abdominal adiposity. Body mass and BMI should be used with caution in risk calculations and measures of total adiposity in individuals engaging in resistance training due to this mode of training increasing lean mass (and thus body mass and BMI). Resistance training reduced total adiposity but did not provide an effective stimulus to lower centrally located and abdominal adiposity.

The objective of this investigation was to identify the appropriate isotopic fractionation factor for total body water (TBW) from ²H₂O enrichment in respiratory water vapor (RW) compared to serum (S), then to use the RW technique to estimate absolute TBW volumes and TBW relative to fat-free body mass (FFB) in three age groups (prepubescent, PP, age = 5-10 y; young adult, YA, age = 22-39 y; older adult, OA age = 65-84 y) of healthy white males and females. The effects of analytical technique (infrared spectrophotometry, IR versus isotope-ratio mass spectrometry, IRMS) and ambient relative humidity on estimates of TBW were also investigated. The composition of the FFB was estimated using a multi-component statistical model (body density, TBW and bone mineral density), and the errors associated with the traditional two-component formula for percent fat from body density were calculated. Our results demonstrated a significant (p < 0.0001) ²H₂O fractionation effect of 0.971 ± 0.005 (mean ± SEM, n = 36) for TBW from RW compared to S. Analysis by IR and IRMS were highly correlated (R² =.999) but IR values were significantly (p < 0.001) higher than IRMS. Deuterium enrichment in RW samples collected at ambient RH (∼20%) was significantly higher (Δ = 20.2 ± 4.5 ppm, mean ± SEM, p < 0.0005) than in RW samples collected at 100% RH, roughly equivalent to a 1.2 L (3.2%) difference in TBW. Total body water relative to FFB mass (W/FFB) was lower (p < 0.01) in YA males (71.0 ± 1.0%) and females (70.2 ± 1.3%) than in PP (boys = 73.1 ± 1.6%; girls = 72.2 ± 1.4%, mean ± SD). In OA, W/FFB was higher (p < 0.05) than in YA (OAM = 72.6 ± 1.1%; OAF = 72.2 ± 1.4%). The density of the FFB was 1.0996 and 1.0839 g/ml in OAM and OAF, respectively. Percent fat from density plus TBW and BMD was lower than from density alone in all groups but YA males, where it was 2.4 percent fat higher. In PP, the Siri density formula resulted in an overestimate of 5.8 ± 2.6 percent fat (mean ± SD, range = 1.4 to 13.6%). In OA females, the density formula overestimated percent fat by 4.4 ± 2.8% (range = 0 to 10.4%). In conclusion, RW corrected for isotopic fractionation will provide acceptable estimates of TBW, although the effects of analytical technique and RH should be controlled. The existence of age-related differences in FFB composition causes errors when the two-component model is used to estimate percent fat in PP and OA females.

This thesis document traces my writing process during the evolution of two play scripts, Emergency Prom and The Body. I examine these contrasting writing processes relative to the notion of necessity, as defined within. In addition to the process paper, this document includes the scripts of both plays. / text

published_or_final_version / Comparative Literature / Master / Master of Philosophy

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