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Doctoral Degrees (Biokinetics, Exercise and Leisure Sciences)

Permanent URI for this collectionhttps://hdl.handle.net/10413/6722

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Browsing Doctoral Degrees (Biokinetics, Exercise and Leisure Sciences) by Author "Coopoo, Yoganathan."

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    An analysis of perceived leadership styles and levels of job satisfaction of sport administrators employed at tertiary institutions in South Africa.
    (2007) Naidoo, Padmini.; Coopoo, Yoganathan.
    The leadership role of sport administrators in South Africa is of prime importance as the local sports industry in South Africa is worth in excess of R2 billion annually. The most important variable in explaining sport administrators' success becomes leadership style. Sport administrators' roles are vital to the sporting industry and therefore the degree of job satisfaction they experience is of prime importance. The key objectives of the study were to determine the different styles of leadership available in sport administration departments, to identify factors affecting the progress and status of transformation in sport administration departments, to examine the factors affecting the progress of gender equity at tertiary institutions, to identify factors which influence job satisfaction or lack of it among sport administrators and coaches employed at tertiary institutions and to determine the organizational effectiveness of tertiary institution sport departments. The questionnaire was administered to 300 coaches who had to rate their sport administrators' leadership style and 140 sport administrators. A response rate of 78% (n=109) was obtained from sport administrators and 76% (n=227) were received from coaches. The data were analysed using the computer package SPSS. From the research the following conclusions can be drawn with respect to job satisfaction and leadership among sport administrators and coaches. The overall majority of the tertiary institution sport administrators adopted a transformational style of leadership. There was a lack of transformation in the industry and gender equity in the industry. There were reasonable de grees of satisfaction in the profession, however certain variables were more pronounced than others. The study proposed the following recommendations: Those sport administrators that are still practising a more transactional and laissez-faire approach to leadership should start adopting a more transformational approach to leadership. More females need to be placed in leadership positions at tertiary institution sport departments. With regard to transformation higher management at tertiary institutions should strive to create diversity by employing individuals from other race groups to ensure transformation at institutions of higher learning. This will also serve to rectify the imbalances of our past. Management at tertiary institutions should also strike a balance with regard to gender equity. With regard to improving coaches and sport administrators' job satisfaction higher management needs to adopt a policy of open communication between staff employed at the tertiary institution sport departments and themselves.
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    The effects of exercise and diet on selected physiological and biochemical parameters in a sedentary Indian male cohort.
    (1995) Coopoo, Yoganathan.; Andrews, Barry Craig.
    In common with other expatriate Indian Populations, the Indian community of South Africa has a high incidence of coronary heart disease (CHD). Little information is available on the effects of exercise and diet on risk factors in this group. The present study is directed at the functional changes occurring as a result of a moderate aerobic physical activity programme, comprising 30 minutes of supervised exercise, three times per week for 15 weeks. Healthy male volunteers were recruited from the staff of the University of Durban-Westville, who were not on any lipid lowering medication and were not involved in any programme of physical activity for at least 12 weeks before the start of the project. The 41 subjects were assigned into one of three groups: exercise only (E) (15 subjects); exercise and diet (ED) (14 subjects) and a control (C) (12 subjects) group on no intervention. Besides laboratory investigations all participants were subjected to standardized fitness and anthropomorphological evaluation, a brief family history for coronary artery disease and a detailed dietary history was compiled. Baseline lipid results indicate that only 7 of the 41 subjects had normal lipid profiles using as cut-off points 5.2 mmol/l for cholesterol, 1.5 mml!l for triglyceride and 0.9 mmol/l for HDL-C. Obesity was moderately prevalent before intervention, with a mean decrease of 25% in body fat in both E and BD groups(p~0.05). The experimental subjects became leaner. After the intervention programme an average 20 percent increase was evident in physical working capacity as measured by peak V~ in both experimental groups (p~0.01). The controls showed little variation over the 15 weeks. The indices of muscular endurance and flexibility showed statistically significant changes (P~ 0.05) in both experimental groups after intervention. This certainly indicates elevated levels of fitness after the intervention. The lipid profiles show little alteration in total cholesterol, with a 7.3% decrease in triglyceride levels in the E group (which was not statistically significant) compared with a 14.7% increase in the controls. HDL-C showed an increase in both experimental groups (p~0.01). The total cholesterol to HDL-C ratio had an average fall of 11.9% in the experimental groups (P~0.05) compared with a 5.6% decrease in the control group. These data support the claim that regular, moderate exercise reduces the risk of heart disease through its effects on coronary risk factors in a high risk South African population.