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タイトル: Relation between abnormal synergy and gait in patients after stroke.
著者: Sakuma, Kaoru
Ohata, Koji
Izumi, Keisuke
Shiotsuka, Yu
Yasui, Tadashi
Ibuki, Satoko
Ichihashi, Noriaki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-2508-2172 (unconfirmed)
著者名の別形: 佐久間, 香
キーワード: Abnormal synergy
Gait
Stroke
発行日: 25-Aug-2014
出版者: BioMed Central Ltd.
誌名: Journal of neuroengineering and rehabilitation
巻: 11
論文番号: 141
抄録: [Background]The abnormal synergy seen in patients after stroke is considered to limit the ability of these patients. However, in the lower extremity, antigravity torque generation rather than precise movement is needed for functions such as sit-to-stand movement and gait. Therefore, the ability to generate torque may be important either as a primary movement or as an abnormal synergy. We attempted to quantify the torque generation in the lower limb, selectively and as an abnormal synergy, and its relation with gait. [Methods]Selectively generated plantar flexion torque in the ankle and plantar flexion torque secondarily generated accompanying maximal hip extension (i.e., torque generated with abnormal synergy) were measured in subjects after stroke and control subjects. In subjects after stroke, secondary torque generation while controlling hip extension torque as 25%, 50%, and 75% of the maximal hip extension was also measured. The relation of torque generation with the gait speed and timed-up-and go test (TUG) was also analyzed. [Results]In subjects after stroke, there was no difference between the amount of plantar flexion torque generated secondarily and the selectively generated torque, whereas the selective torque was significantly greater in control subjects. Pearson product?moment correlation coefficient analysis revealed that TUG speed is related to secondarily generated torque accompanying maximal hip extension but not with selectively generated torque. [Conclusion] Secondarily generated torque was found to be a factor that affects TUG speed, and the ability to generate torque even through abnormal synergy may help for gait ability in subjects after stroke.
著作権等: c 2014 Sakuma et al.; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
URI: http://hdl.handle.net/2433/191221
DOI(出版社版): 10.1186/1743-0003-11-141
PubMed ID: 25257123
出現コレクション:学術雑誌掲載論文等

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