Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
SATOSHI MURAKI Last modified date:2018.05.21

Professor / Physiological Anthropology / Department of Human Science / Faculty of Design


Presentations
1. Satoshi MURAKI, Preferable home environment for the independent elderly to prevent falls and maintain activities of daily living, From Room to Region: Age-Friendly Environmental Design and Planning in the Western Asia-Pacific, 2018.03.
2. Ping Yeap Loh, Satoshi Muraki, Morphological Changes in the Median Nerve at the Wrist After Prolonged Keyboard Typing: An Exploratory Study, SEANES 2016, 2016.11.
3. Lu'Lu' Purwaningrum, Ping Yeap Loh, Satoshi Muraki, The Effectiveness of the Proper Shape and Holding Positions of the Elementary School Chair to Encourage the Student Transporting A Chair Easily, SEANES 2016, 2016.11.
4. Irma Nur Afiah, Hiroki Nakashima, Ping Yeap Loh, Satoshi Muraki, Changes in Joint Angle Behavior With Age During Walking in Japanese Women, SEANES 2016, 2016.11.
5. Satoshi Muraki, Hiroki Nakashima, hiroyuki matsuguma, Effectiveness of an exercise class using a serious game for preventing the locomotive syndrome in among the elderly, The 10th WORLD CONFERENCE of GERONTECHNOLOGY, 2016.09.
6. 村木 里志, Nursalbiah Nasir, Keisuke Hayashi, Ping Yeap Loh, Human physiological adaptation to assistive technology, Unist-JPA joint symposium 2016, 2016.09.
7. Srisuro San, 村木 里志, Son Su-Young, A study of consumer product packagings and their
implication on age-related users, 日本人間工学会第57回大会, 2016.06.
8. Loh Ping Yeap, 中島弘貴, 村木 里志, Metacarpophalangeal joint flexion and the deformation of median nerve, 日本人間工学会第57回大会, 2016.06.
9. Takeda Eduardo Junji, 村木 里志, Effects of aging and training on 3D hand pointing movements without tactile and visual feedback, 日本人間工学会第57回大会, 2016.06.
10. Ping Yeap Loh, Hiroki Nakashima, Satoshi Muraki, Effect of different wrist positions on median nerve cross-sectional area at proximal carpal tunnel, 4th International Conference on HealthCare Systems Ergonomics and Patient Safety, HEPS 2014, 2015, Musculoskeletal disorders such as carpal tunnel syndrome can be caused by repeated, awkward wrist postures during daily work. The objective of this study was to identify the changes of median nerve cross-sectional area at different wrist angles. Twelve right-handed males participated in this study. Ultrasound examinationwas performed on the right wrist.Atotal of seven angles were examined, namely, wrist neutral (0◦), wrist extension 15◦, 30◦, 45◦ and wrist flexion 15◦, 30◦, 45◦. The results showed that the reduction of median nerve cross-sectional area was significant when wrist neutral changed to wrist extension and wrist flexion (p<0.001). Our findings showed that the reduction of median nerve cross-sectional area was greater at wrist extension 45◦ and wrist flexion 45◦ than at wrist neutral and other wrist extension and flexion angles..
11. Lulu Purwaningrum, Jinghong Xiong, Kyotaoro Funatsu, Cucuk Nur Rosyidi, Susy Susmartini, SATOSHI MURAKI, Study of children’s holding positions to redesign elementary school chairs for easy lifting and turning, 3rd International Conference of South East Asian Network of Ergonomics Society, Singapore, Dec 2014, 2014.12.
12. SATOSHI MURAKI, Hiroki Nakashima, Kiyotaka Fukumoto, Osamu Fukuda, Circumference and muscle cross-sectional area of the thigh and calf in elderly Japanese people, 3rd International Conference of South East Asian Network of Ergonomics Society, Singapore, Dec 2014, 2014.12.
13. Irma Nur Afiah, SATOSHI MURAKI, Hiroki Nakashima, Age-related changes in the walking motion of Japanese men: Basic analysis of gait, 3rd International Conference of South East Asian Network of Ergonomics Society, Singapore, Dec 2014, 2014.12.
14. Ping Yeap Loh, SATOSHI MURAKI, The comparison of median nerve circularity between active and passive wrist position at wrist region, The 21st Asian Conference on Occupational Health, 2014.09.
15. Satoshi Muraki, Daisuke Ogawa, Osamu Fukuda, Change of ultrasound echo image texture in fatigued muscle, 5th International Conference on Applied Human Factors and Ergonomics (AHFE2014), Krakow, Poland, July 2014, 2014.07.
16. Satoshi Muraki, Shunya Nakano, Hiroki Nakashima, Effects of wearing slippers on walking locomotion on stairs in the elderly, 4th International Conference on Healthcare Sysytems Ergonomics and Patient Safety, 2014.06.
17. Ping Yeap Loh, Hiroki Nakashima, Satoshi Muraki, Effect of Different Wrist Positions on Median Nerve Crosssectional Area at Proximal Carpal Tunnel, 4th International Conference on Healthcare Sysytems Ergonomics and Patient Safety, 2014.06.
18. Irma Nur AFIAH, Hiroki NAKASHIMA, 村木 里志, Age-Related Changes in Walking Motion of Japanese Females: Basic Analysis of Gait Motion , The 1st Asian Conference on Ergonomics and Design 2014, 2014.05.
19. Ping Yeap LOH, 村木 里志, Deformation of Median Nerve during Active and Passive Wrist Holding at Proximal Carpal Tunnel , The 1st Asian Conference on Ergonomics and Design 2014, 2014.05.
20. Jinghong Xiong, 村木 里志, Kiyotaka Fukumoto, The Effects of Touch Button Size to the Operability of Touchscreen, The 1st Asian Conference on Ergonomics and Design 2014, 2014.05.
21. Lu’lu’ Purwaningrum, 村木 里志, The observation of children’s holding position to redesign elementary school chair for easy carrying and moving, The 1st Asian Conference on Ergonomics and Design 2014, 2014.05.
22. Cucuk Nur Rosyidi, Susy Susmartini, Lu’Lu Purwaningrum, Satoshi Muraki, Mismatch analysis of elementary school desk and chair key characteristics in Indonesia, 5th International Conference on Mechanical and Manufacturing Engineering 2014, ICME 2014, 2014, In this research we analyze the mismatch between desk and chair key characteristics and the respective pupil’s anthropometric data. Sample is taken from11 public elementary schools in six regions in Central Java Indonesia. Mismatch comparisons are made among existing desk and chair, Indonesia National Standard (SNI) dimensions of desk and chair, and dimensions from pupil’s anthropometric data. From the results of the analysis, seat height and desk height have the highest mismatch, while seat width and under desk clearance have the lowest mismatch. In general, four key characteristics dimensions from pupil’s anthropometric data are considered to have better match compared to existing and SNI key characteristics dimensions. A redesign is needed due to the results of the analysis..
23. Hiroko Noto, SATOSHI MURAKI, Effect of rear wheel operation for manual wheelchair by helpers on user's riding comfort and helper's physical strain, navigating steps, 26th Annual Conference of Biomedical Fuzzy System Association, 2013.10.
24. Hiroki Nakashima, Osamu Fukuda, Kiyotaka Fukumoto, SATOSHI MURAKI, The relationship between muscle mass in lower limbs and walking motion in female adults, WCPT-AWP & ACPT Congress 2014, 2013.09.
25. SATOSHI MURAKI, Kiyotaka Fukumoto, Osamu Fukuda, Aging changes in muscle cross sectional area in the thigh and calf of Japanese, WCPT-AWP & ACPT Congress 2014, 2013.09.
26. Kiyotsugu Saito, Hiroki Nakashima, SATOSHI MURAKI, Influences of walking speed on pelvic and trunk obliquity in elderly, WCPT-AWP & ACPT Congress 2014, 2013.09.
27. SATOSHI MURAKI, Seiji Saito, Mitsuru Ookura, Physical strain and risk during stroller locomotion on cross and combined slopes. , 2nd International Conference on Ergonomics (ICE2013) , 2013.09.
28. Thumb muscle fatigue in operating smart phone touch screens.
29. Manami Ishiuchi, Kiyotaka Fukumoto, Satoshi Muraki, Osamu Fukuda, A proposal for a standard value of muscle cross-sectional area of the thigh in Japanese adults, 2nd East Asian Ergonomics Federation Symposium, EAEFS 2011, 2012, The muscle cross-sectional area in the thigh decreases with aging, which lowers the capacity to carry out activities of daily living (ADL). In the present study, we tried to make a standard value for evaluating the muscle area of the thigh, considering sex, age and body size. Muscle cross-sectional areas of the thigh in 606 Japanese adults (257 males and 349 females) were measured using an ultrasound evaluation system. Because height and weight were related to age and muscle area, we proposed measured muscle area (cm 2) × height (m)/weight (kg) as an index for evaluating muscle area. In both sexes, this index decreased with aging, and especially in females, the reduction was accelerated beyond 50 years old. These standard values should be useful for middle-aged and elderly people to prevent them from exhibiting a decrease in capacity to carry out ADL and becoming bedridden..
30. Kanami Tanimizu, Manami Ishiuchi, Satoshi Muraki, Masahiro Yamasaki, Motion analysis of putting on and taking off short-sleeved shirts, 2nd East Asian Ergonomics Federation Symposium, EAEFS 2011, 2012, The elderly have functional deterioration and pain in many parts of the body with aging, and have difficulty in putting on and taking off clothes. We analyzed the motion of 56 healthy elderly women (aged 59 to 85 years) and 26 young women (aged 20 to 34 years) putting on and taking off three kinds of short-sleeved shirts (T-shirt, a polo shirt, a tank top), and studied the influence of aging and maximal angles of the shoulder joints on the motion of putting on and taking off their shirts. The methods of taking off shirts were classified into four patterns, and there were significant differences in the pattern distribution among generations and different kinds of clothes. Meanwhile, the maximal angles of the shoulder joints failed to show any relationship with the motion of putting on and taking off shirts..
31. Satoshi Muraki, Makoto Ohnuma, Kiyotaka Fukumoto, Osamu Fukuda, The effects of stretching, hot pack and massage treatments on muscle thickness and hardness, 2nd East Asian Ergonomics Federation Symposium, EAEFS 2011, 2012, The purpose of this study is to clarify the changes in muscle hardness by three treatments (stretching, hot pack and massage) that are commonly used to relieve muscle fatigue. Ten young male adults received the treatments in their anterior thigh. The thickness and hardness of the subcutaneous fat and the muscles in the anterior thigh were measured using an elasticity-measuring instrument with an ultrasound signal. In the stretching and hot pack conditions, an index of muscle hardness significantly decreased without change in muscle thickness, which indicates softening of the muscles. In contrast, the massage condition failed to show significant changes in the muscle hardness. These findings suggested that the stretching and warming of the muscles soften them, which might reflect relief of muscle fatigue..
32. Growth in the leg's muscle thickness in male and female children.
33. Preferable height and angle of the handgrips on manual attendant-controlled wheelchair.
34. Ease of use of button layout in small touch panel devices.
35. Relationship between the muscle area of the thigh and abilities to perform ADLs in subjects aged around65.
36. The effects of wearing slippers on the movement of climbing up and down stairs in homes.
37. Factors affecting the methods of putting on and taking off short-sleeved shirts.
38. Masahiro Inoue, Osamu Fukuda, Masayoshi Tsubai, Satoshi Muraki, Hiroshi Okumura, Kohei Arai, Automated discrimination method for measuring the thickness of muscular and subcutaneous fat layers based on tissue elasticity, 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009, 2009, The balance between human body composition, e.g. bones, muscles, and fat, is a major and basic indicator of personal health. This paper proposes a new discrimination method for measuring the thickness of subcutaneous fat and muscular layers based on tissue elasticity. The validity of the proposed method was evaluated in twenty-one subjects (twelve women, ten men; aged 20-70 yr) at three anatomical sites. Experimental results show that the proposed method can achieve considerably high discrimination performance..
39. Kiyotaka Fukumoto, Satoshi Muraki, Masayoshi Tsubai, Osamu Fukuda, Calibration of cross-sectional images measured by an ultrasound-based muscle evaluation system, 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009, 2009, The quantification of muscle volume can be used to estimate muscular strength. Therefore, we developed a flexible measuring system for muscle volume using ultrasonography. In the measuring process, subjects are not required to perform any muscular contraction, so it is completely safe and particularly suitable for elderly people. The ultrasound probe is installed on a mechanical arm, and continuously scans fragmental images along the body surface. The measured images are then composed into a wide area cross-sectional image. However, the muscle area measured by our system was slightly smaller than that measured by MRI. because the ultrasound probe contacted the body surface with a little pressure during the measurement. The strain then decreases the total image size and its circumference. This paper introduces our developed system and proposes a new calibration method for the muscle area in the thigh based on its circumference..
40. Masayoshi Tsubai, Osamu Fukuda, Naohiro Ueno, Takao Horie, Satoshi Muraki, Development of an ultrasound system for measuring tissue strain of lymphedema, 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08, 2008, This paper develops a portable measurement system for tissue strain distribution using ultrasonic pulse echo method. A single element ultrasonic transducer attached to a force sensor compresses biological tissue and observes the deformation process of the tissue. The center frequency of the ultrasound pulse is 3 MHz. The force applied to the tissue is kept at 10 N by an internal coil spring. Received echo signals are transferred to a personal computer via Universal Serial Bus. The developed measurement system was applied to measuring strain of subcutaneous fat for lymphedema patients and healthy subjects. The results quantified the fact that affected tissue becomes harder than unaffected tissue. Our experiment demonstrated that the system can be used for evaluating the condition of lymphedema with measurement of strain in subcutaneous tissue..
41. Kiyotaka Fukumoto, Masayoshi Tsubai, Satoshi Muraki, Osainu Fukuda, Hironori Sato, A cross-sectional ultrasound imaging for measuring body composition, 29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07, 2007, We have developed a measuring system to visualize a complete cross-sectional image of the human extremity using ultrasonography. This system uses several ultrasound probes, and these probes measure fragmentary graphical images of one cross-sectional plane which are then transformed into a complete cross-sectional image. The developed system is superior to other Imaging devices in many respects because It is portable, safe, and Inexpensive. These advantages can be available in the field survey. This paper discusses the system components and the experiments to verify the proposed method..
42. Masayoshi Tsubai, Kiyotaka Fukumoto, Osamu Fukuda, Satoshi Muraki, Naohiro Ueno, A portable measuring system for cross-sectional ultrasound images using spatial compounding and edge sharpening, 29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07, 2007, This paper proposes a compensation for a blurred image caused by misregistration in spatial compounding. The edge sharpening based on morphological operations is applied to the compounded image. A portable measuring system of a cross-sectional ultrasound image is designed for measuring body composition. The system is developed for non-medical applications, for example, measurement of the volume of muscle and subcutaneous fat in lower extremities, upper extremities and abdomen for health care and sports science. A number of partially overlapping images that have been obtained from multiple angles are combined into a single compounded image. In experiment on human abdomen, the image quality was improved in speckle suppression and edge enhancement by using ensemble averaging and morphological edge sharpening. Resulting wide fleld-of-view image was sufficiently deblurred without emphasizing noise..
43. Physical activity and physical fitness in wheelchair-dependent persons.