Effect of an Intermittent Eight-hour Joint Fixation Period on Joint Contractures in Rats
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- Ono Takeya
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Japan Program in Health and Welfare, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima: 1-1 Gakuen Machi, Mihara City, Hiroshima 723-0053, Japan
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- Oki Sadaaki
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Japan Program in Health and Welfare, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima: 1-1 Gakuen Machi, Mihara City, Hiroshima 723-0053, Japan
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- Umei Namiko
- Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima, Japan
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- Tumiyama Wakako
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Japan
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- Tasaka Atsushi
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Japan
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- Ishikura Hideki
- Program in Biological System Sciences, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Japan
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- Aihara Kazuki
- Program in Health and Welfare, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima: 1-1 Gakuen Machi, Mihara City, Hiroshima 723-0053, Japan
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- Sato Yuta
- Program in Health and Welfare, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima: 1-1 Gakuen Machi, Mihara City, Hiroshima 723-0053, Japan
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- Shimizu Michele Eisemann
- Department of Physical Therapy, Konan Women’s University, Japan
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- Otsuka Akira
- Program in Health and Welfare, Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima: 1-1 Gakuen Machi, Mihara City, Hiroshima 723-0053, Japan
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抄録
[Purpose] It has been shown that an eight-hour joint fixation daily (i.e. for the remaining 16 hours, rats were set free in the cage without joint fixation) for one week induces a joint contracture. The purpose of this study was to investigate the difference between an 8 hours continuous joint fixation and an 8 hours intermittent joint fixation per day (two 4 hours joint fixations) in the development of joint contractures in rats. [Subjects and Methods] The subjects of this study were 34 Wistar rats. On the first day, all of the rats’ right ankle dorsiflexion angles were measured. The right hind limbs of all the rats were fixed in plantar flexion, and then the rats were divided into three groups as follows: Group 1 was in continuous fixation for 24 hours a day; Group 2 was in continuous fixation for 8 hours a day; Group 3 was in intermittent fixation for 8 hours a day. The fixation was performed daily for seven consecutive days. On the last day, ankle dorsiflexion angles of all the rats were measured after the casts had been removed. [Results] The development of joint contractures was statistically significant for Groups 1 and 2. [Conclusion] Our results indicate that 8 hours a day of continuous fixation induces a joint contracture, but 8 hours a day of intermittent fixation does not.
収録刊行物
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- Ｊ Ｐｈｙｓ Ｔｈｅｒ Ｓｃｉ
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Ｊ Ｐｈｙｓ Ｔｈｅｒ Ｓｃｉ 26 (1), 53-55, 2014
理学療法科学学会
