by Luk tze Chung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references (leaves 105-111). / Text in English; abstract also in Chinese. / by Luk tze Chung. / Chapter Chapter One --- Introduction / Chapter 1.1 --- Background --- p.1 / Chapter 1.2 --- Work station design --- p.2 / Chapter 1.3 --- Method of study --- p.4 / Chapter 1.4 --- Purpose of study --- p.5 / Chapter 1.5 --- Variables definition --- p.5 / Chapter 1.6 --- Hypotheses --- p.6 / Chapter 1.7 --- Significance of study --- p.6 / Chapter Chapter Two --- Literature Review / Chapter 2.1 --- Biomechanical study on ergonomics problems --- p.7 / Chapter 2.1.1 --- Ergonomics --- p.7 / Chapter 2.1.2 --- Biomechanics --- p.7 / Chapter 2.1.3 --- Force and torque --- p.8 / Chapter 2.1.3.1 --- Lever systems --- p.8 / Chapter 2.1.3.2 --- Torque and moment --- p.8 / Chapter 2.1.4 --- Biomechanics of the back --- p.9 / Chapter 2.1.5 --- Shoulder biomechanics --- p.10 / Chapter 2.2 --- Manual lifting --- p.12 / Chapter 2.2.1 --- Manual handling and musculoskeletal problems --- p.12 / Chapter 2.2.2 --- Strategies for reducing manual handling injuries --- p.13 / Chapter 2.3 --- Method of analysis in ergonomics problems --- p.13 / Chapter 2.3.1 --- Electromyography --- p.13 / Chapter 2.3.1.1 --- Neurophysiology --- p.13 / Chapter 2.3.1.2 --- Electromyography in biomechanics --- p.14 / Chapter 2.3.2 --- Motion analysis --- p.16 / Chapter 2.3.2.1 --- Direct measurement techniques --- p.16 / Chapter 2.3.2.2 --- Indirect measurement using imaging techniques --- p.17 / Chapter 2.4 --- Summary --- p.18 / Chapter Chapter Three --- Method / Chapter 3.1 --- Subjects --- p.19 / Chapter 3.2 --- Position of EMG electrodes --- p.20 / Chapter 3.3 --- Electromyography (EMG) --- p.23 / Chapter 3.4 --- Normalization of EMG --- p.24 / Chapter 3.5 --- Force platform --- p.31 / Chapter 3.6 --- Motion analysis system --- p.33 / Chapter 3.7 --- Calibration of instrument --- p.39 / Chapter 3.7.1 --- EMG --- p.39 / Chapter 3.7.2 --- Force platform --- p.40 / Chapter 3.7.3 --- Motion analysis system --- p.40 / Chapter 3.7.3.1 --- Calibration of displacement and velocity --- p.40 / Chapter 2.7.3.2 --- Calibration of acceleration --- p.40 / Chapter 3.8 --- Work station design --- p.41 / Chapter 3.9 --- Procedure --- p.42 / Chapter 3.10 --- Data analysis --- p.46 / Chapter Chapter Four --- Results / Chapter 4.1 --- EMG data analysis --- p.47 / Chapter 4.1.1 --- MVC testing results --- p.47 / Chapter 4.1.2 --- Results of ANOVA test --- p.48 / Chapter 4.1.2.1 --- Class level information --- p.48 / Chapter 4.1.2.2 --- ANOVA results --- p.49 / Chapter 4.1.2.3 --- Post Hoc test --- p.53 / Chapter 4.2 --- Motion analysis --- p.63 / Chapter 4.2.1 --- Parameters in motion analysis --- p.63 / Chapter 4.2.2 --- Results of ANOVA test --- p.63 / Chapter 4.2.2.1 --- Post Hoc test --- p.68 / Chapter 4.3 --- Force platform data analysis --- p.84 / Chapter 4.3.1 --- Parameters in force platform data analysis --- p.84 / Chapter 4.3.2 --- Result of ANOVA test --- p.84 / Chapter 4.3.2.1 --- Post Hoc test --- p.85 / Chapter 4.4 --- Results of correlation --- p.89 / Chapter Chapter Five --- Discussion and Conclusions / Chapter 5.1 --- EMG signal --- p.90 / Chapter 5.1.1 --- MVC test --- p.90 / Chapter 5.1.2 --- Results of ANOVA in EMG signal --- p.91 / Chapter 5.1.2.1 --- Cervical erector spinae --- p.91 / Chapter 5.1.2.2 --- Trapezius pars descendens --- p.92 / Chapter 5.1.2.3 --- Infraspinatus --- p.93 / Chapter 5.1.2.4 --- Lumbar erector spinae --- p.94 / Chapter 5.2 --- Motion analysis --- p.95 / Chapter 5.2.1 --- Posture --- p.95 / Chapter 5.2.1.1 --- Absolute thigh angle --- p.96 / Chapter 5.2.1.2 --- Absolute arm angle --- p.96 / Chapter 5.2.1.3 --- Absolute chest and abdomen angle --- p.97 / Chapter 5.2.1.4 --- Absolute neck angle --- p.97 / Chapter 5.2.2 --- Force produced by spinae muscle --- p.98 / Chapter 5.3 --- Ground reaction force analysis --- p.99 / Chapter 5.4 --- Correlation analysis --- p.99 / Chapter 5.5 --- Differences between workers and students --- p.100 / Chapter 5.5.1 --- Muscle activity --- p.100 / Chapter 5.5.2 --- Posture . --- p.100 / Chapter 5.6 --- Conclusions --- p.101 / Chapter 5.7 --- Recommendations --- p.102 / References --- p.105 / Appendix --- p.112
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322373 |
| Date | January 1998 |
| Contributors | Luk, Tze Chung., Chinese University of Hong Kong Graduate School. Division of Education. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, vi, 112 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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