Thesis (M.D.) -- University of Adelaide, Dept. of Surgery, 1982. / Typescript (photocopy).

Thesis (Ph. D.)--University of New South Wales, 2003. / Also available online.

Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1994. / Vita. Abstract. Includes bibliographical references (leaves 48-53). Also available via the Internet.

Thesis (Ph.D.)--University of Texas at Dallas, 2008. / Includes vita. Includes bibliographical references (leaves 90-91)

Thesis (Ph.D.) - University of Glasgow, 2008. / Ph.D. thesis submitted to the Department of Mechanical Engineering, University of Glasgow, 2008. Includes bibliographical references. Print version also available.

Dissertation (Ph.D.) --University of Texas Graduate School of Biomedical Sciences at San Antonio, 2008. / Vita. Includes bibliographical references.

Thesis (M.S.)--Brock University, 2010. / Includes bibliographical references (leaves 46-50).

Techn. Universiẗat, Diss., 2005--München.

A magnetic stimulator consisting of a capacitor discharge and associated control circuits was designed and constructed for use in research and practice. This stimulator is capable of delivering an output voltage of 1000 V and output peak current of 8 kA to a coil. Depending on the coil used, the rise time of the current pulse can be varied in steps of 30 µs or less. After each discharge, the stimulator measures the output current amplitude to within 0.2 kA and rise time to within 10 µs, and displays their values on a liquid crystal panel. The stimulator can operate in pulsed or in repetitive discharge mode (1 pulse per 5 seconds). With minor modifications, the stimulator can operate up to 1600 V and provide up to 16 kA. The rise time can be changed in steps of 10 µs or less. The capability to provide output current of variable rise time makes this stimulator is a versatile instrument for both research and clinical use of magnetic stimulation. This feature, which is found in no other stimulating instrument, is important for studying the effect of current rise time on magnetically induced stimulation. With this device we can determine the optimum current pulse shape for effective stimulation with the minimum energy. / Applied Science, Faculty of / Electrical and Computer Engineering, Department of / Graduate

Power and strength training, using conventional techniques, has been studied by several researchers. Investigations into the use of different training methods and their effect on power and strength development are continually being studied and re-assessed. Recently, the use of faradic or electrical stimulation has become an interesting alternative method, although much controversy surrounds this technique. It has been reported by Johnson et al. (1977) and Kots (1977) that faradic stimulation is used with success as part of a strengthening program by elite Soviet athletes. The combined effects of a program consisting of exercise as well as electrical stimulation was undertaken to determine the muscular power and strength potentials. The main objective of this study was to compare power and strength changes between equated groups employing the following training techniques: electrical stimulation plus isokinetic exercise, isokinetic exercise and electrical stimulation, respectively. Twenty-seven, moderately trained, female subjects, nine per group, were tested on three separate occasions. During the first session, height, weight, left and right quadriceps power evaluation, time to peak tension of the muscle contraction at the four velocities :(30, 100, 180 and 0 degrees per second) and two thigh girth measurements were determined. The three groups were equated for power after the pretest was conducted. The second and third testing sessions assessed the power and time to peak tension of the non-dominant leg at the four velocities and patellar and gluteal thigh girths. A significant difference for power was found between the pre and post tests and the pre and mid tests for the combined groups during the six week period of training. Although no difference was found between each of the three groups, the results indicated that programs involving electrical stimulation and isokinetic exercise, isokinetic exercise and electrical stimulation only, are potentially effective in improving muscular power and strength in normal subjects. The study revealed that one method was not superior to another after six weeks of training. There was significant power differences between the pre and post tests and pre and mid tests at the slow isokinetic speeds of 30° and 0° per second. Since the training was conducted at the speeds of 30° and 0° (isometric) per second, the slow testing speeds reflected neural adaptation and muscular recruitment when the specificity of training theory is considered. These findings imply that power and strength training benefits are limited to speeds used during training. During the six week training period, time to peak maximal torque and hypertrophy of the quadriceps muscle group did not alter significantly when examining the means of all three groups. / Education, Faculty of / Curriculum and Pedagogy (EDCP), Department of / Graduate