Effects of increased leg resistance training and reduced aerobic training on selected physiological parameters in United States Air Force men and women
by O'Hara, Reginald B., Ph.D., UNION INSTITUTE AND UNIVERSITY, 2007, 428 pages; 3345608

Abstract:

The purpose of this study was to examine the effects of high volume leg resistance training compared to high volume aerobic training on selected variables by means of predictive and maximal tests (cycle ergometer and treadmill). Twelve trained male (n = 6) and female (n = 6) Air Force subjects (26-36 years) volunteered and were alternately assigned to one of two groups: non-traditional (NT, n = 6) or traditional (T, n = 6). The following measurements were made before and after 10 weeks of training: bodyweight (BW), percent body fat (% BF), body mass index (BMI), rate pressure product (RPP), abdomen circumference, maximal and predictive (cycle and treadmill) oxygen uptake (VO2 max), and blood lactate levels (BLL). There were no significant changes in the non-traditional or traditional group's predictive (mlO2/min) aerobic capacity when measured on the cycle ergometer. Predictive aerobic capacity on the treadmill increased 17% for the non-traditional group. The traditional group's predictive aerobic capacity measured on the treadmill remained unchanged. There was a significant interaction between gender and group. In the non-traditional group, men made a 10.3 ml/kg/min increase in predictive VO2 when measured on the treadmill, in comparison to women, who had a 1.62 ml/kg/min increase. The non-traditional group's maximal VO2 (ml/kg/min) when measured on the treadmill improved 14%. The non-traditional group's maximal VO2 measured on the cycle improved 16%. Rate Pressure Product (RPP) was reduced by 7.7 percent in the non-traditional group. Body weight (BW), body mass index, percent body fat, blood lactate levels L, and truncated leg volumes remained unchanged. An increased volume of heavy leg-resistance training induced mean percent increases in the non-traditional group's maximal VO2 when measured on the treadmill and the cycle. There was also a mean percent reduction in the non-traditional group's rate pressure-product. For the NT group, heavy leg resistance training improved maximal VO2 and reduced rate pressure product.
 
AdviserKathleen Rourke
SchoolUNION INSTITUTE AND UNIVERSITY
SourceDAI/A 70-01, p. , May 2009
Source TypeDissertation
SubjectsPhysical education; Kinesiology; Physiology; Military studies; Recreation and tourism
Publication Number3345608
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