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Affiliation |
Graduate School of Medicine Doctorial Course in Medicine Public Health and Environmental Medicine Department of Medical Informatics |
HOSOMI Ryota
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Research Interests 【 display / non-display 】
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physical therapy
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medical informatics
Graduating School 【 display / non-display 】
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2014.04-2018.03
Takarazuka University of Medical and Health Care Faculty of Health and Medical Studies Graduated
Graduate School 【 display / non-display 】
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2020.04-2022.03
University of Hyogo Graduate School of Applied Infoematics Master's Course Completed
Campus Career 【 display / non-display 】
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2025.04-Now
Akita University Graduate School of Medicine Doctorial Course in Medicine Public Health and Environmental Medicine Department of Medical Informatics Assistant Professor
Research Areas 【 display / non-display 】
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Life Science / Medical systems
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Life Science / Rehabilitation science
Research Achievements 【 display / non-display 】
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Effect of exercise devised to reduce arm tremor in the sighting phase of archery
Hiroshi Shinohara, Ryota Hosomi, Ryuji Sakamoto, Toshiya Urushihata, Shione Yamamoto, Chikashi Higa, Shinpei Oyama
Plos one ( Public Library of Science ) 2023.05 [Refereed]
Research paper (journal) International Co-author
Background
In archery training, side bridges are performed in a posture similar to archery shooting for training the muscles around the shoulder joint and the shoulder girdle of the pusher.
Aim
The purpose of this study was to determine whether a low-tremor side-bridge exercise for 4 weeks improves bow tremor during archery movements.
Methods
Participants were 20 male college students. First, we measured the tremor during side bridges performed with trunk inclinations of 25°, 40°, 55°, and 70° using an accelerometer attached to the elbow joint and identified low-tremor side bridges. The participants were then randomly divided into intervention and non-intervention groups, and the low-tremor side bridges were performed for 4 weeks.
Results
The effect of the intervention was determined by measuring the total tremor value using an accelerometer attached to the bow and changes in the median power frequency (MdPF) of the middle deltoid, upper trapezius, and lower trapezius. This intervention reduced the bow tremor and the median power frequency of the middle deltoid (p < 0.05).
Conclusions
The findings suggested that the tremor during the archery sighting phase could be reduced by performing side bridges with a specific trunk angle for a certain period of time. This intervention was also shown to reduce the intermediate frequency of the middle deltoid. The reduced tremor can shorten the sighting phase, which can facilitate injury prevention.