Dissertation/ Thesis
The Effects of Hand Skin Temperature and Grip Exertion Level on the Sustained Gripping Performance
| العنوان: | The Effects of Hand Skin Temperature and Grip Exertion Level on the Sustained Gripping Performance |
|---|---|
| Alternate Title: | 手部膚溫與握力施力程度對持續施力績效之影響 |
| المؤلفون: | Chang, Yu-Jung, 張瑜容 |
| Thesis Advisors: | Yuh-Chuan Shih, Hsiu-Chen Chung, 石裕川, 鍾绣貞 |
| سنة النشر: | 2013 |
| المجموعة: | National Digital Library of Theses and Dissertations in Taiwan |
| الوصف: | 101 This study intends to explore the effects of hand skin temperature and grip exertion level on maximal endurance time （MET） and the subjective estimation on sustainability. Six male and six female participants are recruited. A nested-factorial design is employed, in which independent variables include sex, subject （nested within sex and serving as a block）, hand skin temperature （16, 32, and 40℃）, and exertion level （25 and 50% MVC）. There are 6 combinations in total for each participant, and all combinations are executed randomly. The dependent variables are MET （the time from start to stop exerting at given exertion level） and corresponding muscular activity （measured by electromyography, EMG）. During MET measurement participants are also asked to estimate subjectively their sustainability, which is the time reaching 10, 30, 50, 70 and 90%MET. The results are helpful for us to realize the human capacity and to set the standards when working in a cold environment and high temperature environment. The results of this study found that grip strength values of male are larger than female, the recession value and the proportion of the recession value of male are larger than female. The RMSED-Fatigue (%) of female will decrease while HST gets lower, and is most obvious while HST is at 16oC. The recovery value of grip strength and the recovery ratio of male are better than female. The MET0-a% of female are longer than male at given HST. The subjective perceptions of the degree (SP0-a%) of female is higher. The grip strength values are larger when the skin temperature is at 32℃, compared with 40℃ and 16℃. The amplitude of RMSED and RMSFDS are larger while HST is 32oC, compared with 16oC and 40℃. The MET is longer while the grip exertion level is at 25%, compared with 50% at all HST. The recession value and the proportion of the recession value are lager while the grip exertion level is at 25%, compared with 50%. For the SP0-a%, while the grip exertion level is at 50%, both male and female are feeling much more fatigue compared with 25%. |
| Original Identifier: | 101NDMC1715018 |
| نوع الوثيقة: | 學位論文 ; thesis |
| وصف الملف: | 137 |
| الاتاحة: | http://ndltd.ncl.edu.tw/handle/78155709394827167717 |
| رقم الانضمام: | edsndl.TW.101NDMC1715018 |
| قاعدة البيانات: | Networked Digital Library of Theses & Dissertations |
| الوصف غير متاح. |