지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Objective: The purpose of this study is to find the level of physical relaxation of individual subject by monitoring psychophysiological biofeedback to different types of mattresses. And, the study also aims to find a protocol to make a selection of the best mattress based on the measured information.
Background: In Korea, there are an increasing number of people using western style bed. However, they are often fastidious in choosing the right mattress for them. In fact, people use their past experience with their old mattress as well as the spontaneous experience they encounter in a show room to finally decide to buy a bed.
Method: Total five mattresses were tested in this study. After measuring the elasticity of the mattresses, they were sorted into five different classes. Physiological and psychological variables including Electromyography (EMG), heart rates (HR), oxygen saturations (SaO2) were used. In addition, the peak body pressure concentration rate was used to find uncomfortably pressured body part. Finally, the personal factors and subjective satisfaction were also examined. A protocol was made to select the best mattress for individual subject. The selection rule for the protocol considered all the variables tested in this study.
Results: The result revealing psychological comfort range of 0.68 to 0.95, dermal comfort range of 3.15 to 6.07, back muscle relaxation range of 0.25 to 1.64 and personal habit range of 2.0 to 3.4 was drawn in this study. Also a regression model was developed to predict biofeedback with the minimal use of biofeedback devices. Moreover results from the proposed protocol with the regression equation and subjective satisfaction were compared with each other for validation. Ten out of twenty subjects recorded the same level of relaxation, and eight subjects showed one-level difference while two subjects showed two-levels difference.
Conclusion: The psychophysiological variables and suitability selection process used in this study seem to be used for selecting and assessing ergonomic products mechanically or emotionally.
Application: This regression model can be applied to the mattress industry to estimate back muscle relaxation using dermal, psychophysiology and personal habit values.
Background: In Korea, there are an increasing number of people using western style bed. However, they are often fastidious in choosing the right mattress for them. In fact, people use their past experience with their old mattress as well as the spontaneous experience they encounter in a show room to finally decide to buy a bed.
Method: Total five mattresses were tested in this study. After measuring the elasticity of the mattresses, they were sorted into five different classes. Physiological and psychological variables including Electromyography (EMG), heart rates (HR), oxygen saturations (SaO2) were used. In addition, the peak body pressure concentration rate was used to find uncomfortably pressured body part. Finally, the personal factors and subjective satisfaction were also examined. A protocol was made to select the best mattress for individual subject. The selection rule for the protocol considered all the variables tested in this study.
Results: The result revealing psychological comfort range of 0.68 to 0.95, dermal comfort range of 3.15 to 6.07, back muscle relaxation range of 0.25 to 1.64 and personal habit range of 2.0 to 3.4 was drawn in this study. Also a regression model was developed to predict biofeedback with the minimal use of biofeedback devices. Moreover results from the proposed protocol with the regression equation and subjective satisfaction were compared with each other for validation. Ten out of twenty subjects recorded the same level of relaxation, and eight subjects showed one-level difference while two subjects showed two-levels difference.
Conclusion: The psychophysiological variables and suitability selection process used in this study seem to be used for selecting and assessing ergonomic products mechanically or emotionally.
Application: This regression model can be applied to the mattress industry to estimate back muscle relaxation using dermal, psychophysiology and personal habit values.
목차
1. Introduction
2. Methods
3. Result
4. Discussion
5. Conclusion
References
참고문헌 (32)
참고문헌 신청
[학술지(정기간행물)] - Addison, R.G. / 1986 / A survey of the United States public concerning the quality of sleep / Sleep Research 16 : 244 ~
[학술지(정기간행물)] - Bader, G.G. / 2000 / The influence of bed firmness on sleep quality / Applied Ergonomics 31 (5) : 487 ~ 497
[학술지(정기간행물)] - Cooper, R. / 1980 / EEG Technology / butterworths 1
[학술지(정기간행물)] - Defloor, T. / 2000 / The effect of position and mattress on interface pressure / Applied Nursing Research 13 (1) : 2 ~ 11
[학술지(정기간행물)] - Donaldson, E. / 1991 / Effects of temazepam on sleep, performance, and rhythmic 6-sulphatoxymelatonin and cortisolexcretion after transmeridian travel / Aviation, Space, and Environmental Medicine 62 (7) : 654 ~ 660
[학술지(정기간행물)] - Bader, G.G. / 2000 / The influence of bed firmness on sleep quality / Applied Ergonomics 31 (5) : 487 ~ 497
[학술지(정기간행물)] - Cooper, R. / 1980 / EEG Technology / butterworths 1
[학술지(정기간행물)] - Defloor, T. / 2000 / The effect of position and mattress on interface pressure / Applied Nursing Research 13 (1) : 2 ~ 11
[학술지(정기간행물)] - Donaldson, E. / 1991 / Effects of temazepam on sleep, performance, and rhythmic 6-sulphatoxymelatonin and cortisolexcretion after transmeridian travel / Aviation, Space, and Environmental Medicine 62 (7) : 654 ~ 660
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