Leg Muscle Activities and Perception of Floor Slipperiness when Walking on Level Surface and Stairs
碩士 === 中華大學 === 工業管理學系碩士班 === 102 === This research investigates the effects of weight carrying and walking on various floors and floor surface conditions on the muscular activities on the shank and subjective perceptions of floor slipperiness and physical burden. Twenty subjects, including 10 males...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2014
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| Online Access: | http://ndltd.ncl.edu.tw/handle/91252824615205893234 |
| Summary: | 碩士 === 中華大學 === 工業管理學系碩士班 === 102 === This research investigates the effects of weight carrying and walking on various floors and floor surface conditions on the muscular activities on the shank and subjective perceptions of floor slipperiness and physical burden. Twenty subjects, including 10 males and 10 females, participated in the study. The subjects carried load and walked on floors with three different surface roughness. The walkway included level, walking up stairs, and walking down stairs. There were five different loads. The floor slip resistance and floor surface roughness were measured. The muscle activities of four muscles were measured using electromyograph (EMG). The results indicated that the weight and type of walkway had significant effects on leg EMGs. The leg EMG were high when walking up stairs. It was suggested that weight carried should be less than 15% of body weight when carrying the weight and walking on stairs.
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