Influence of Motor Imagery of Isometric Opponens Pollicis Activity on the Excitability of Spinal Neural Function—Comparison of Contraction Strength

[Purpose] To study the difference of the excitability of spinal neural function at 10 and 50%MVC motor imagery. [Subjects] Subjects were 25 healthy subjects, mean age of 24.7±7.27 years. [Methods] We recorded the F-wave under 3 conditions. 1) In the rest condition, we recorded F-wave during relaxati...

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Published inRigaku ryoho kagaku Vol. 27; no. 3; pp. 335 - 339
Main Authors BUNNO, Yoshibumi, SUZUKI, Toshiaki
Format Journal Article
LanguageEnglish
Published The Society of Physical Therapy Science 2012
Subjects
Age
F-wave
isometric opponens pollicis contraction
motor imagery
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ISSN1341-1667
2434-2807
DOI10.1589/rika.27.335

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Abstract [Purpose] To study the difference of the excitability of spinal neural function at 10 and 50%MVC motor imagery. [Subjects] Subjects were 25 healthy subjects, mean age of 24.7±7.27 years. [Methods] We recorded the F-wave under 3 conditions. 1) In the rest condition, we recorded F-wave during relaxation. 2) At 10 and 50%MVC motor imagery, subjects were asked to imagine contraction while holding a pinch meter. 3) In the after imagery period, we recorded the F-wave at 0, 5, 10 and 15 minutes after imagery. [Results] Both persistence and the amplitude ratio of F/M during 10 and 50%MVC imagery were significantly higher than that at rest. The relative values of 50%MVC imagery to rest tended to be higher than those of 10%MVC imagery. [Conclusion] We consider that 50%MVC motor imagery increased the excitability of the spinal neural function more than 10%MVC motor imagery.
AbstractList [Purpose] To study the difference of the excitability of spinal neural function at 10 and 50%MVC motor imagery. [Subjects] Subjects were 25 healthy subjects, mean age of 24.7±7.27 years. [Methods] We recorded the F-wave under 3 conditions. 1) In the rest condition, we recorded F-wave during relaxation. 2) At 10 and 50%MVC motor imagery, subjects were asked to imagine contraction while holding a pinch meter. 3) In the after imagery period, we recorded the F-wave at 0, 5, 10 and 15 minutes after imagery. [Results] Both persistence and the amplitude ratio of F/M during 10 and 50%MVC imagery were significantly higher than that at rest. The relative values of 50%MVC imagery to rest tended to be higher than those of 10%MVC imagery. [Conclusion] We consider that 50%MVC motor imagery increased the excitability of the spinal neural function more than 10%MVC motor imagery.
To study the difference of the excitability of spinal neural function at 10 and 50%MVC motor imagery. [Subjects Subjects were 25 healthy subjects, mean age of 24.7+/-7.27 years. [Methods We recorded the F-wave under 3 conditions. 1) In the rest condition, we recorded F-wave during relaxation. 2) At 10 and 50%MVC motor imagery, subjects were asked to imagine contraction while holding a pinch meter. 3) In the after imagery period, we recorded the F-wave at 0, 5, 10 and 15 minutes after imagery. [Results Both persistence and the amplitude ratio of F/M during 10 and 50%MVC imagery were significantly higher than that at rest. The relative values of 50%MVC imagery to rest tended to be higher than those of 10%MVC imagery. [Conclusion We consider that 50%MVC motor imagery increased the excitability of the spinal neural function more than 10%MVC motor imagery.
Author SUZUKI, Toshiaki
BUNNO, Yoshibumi
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Cites_doi 10.1016/j.neuropsychologia.2003.11.018
10.1053/apmr.2001.24286
10.1093/ptj/84.12.1167
10.1017/S0140525X00034026
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References 3) Ranganathan VK, Siemionow V, Liu JZ, et al.: From mental power to muscle power: gaining Strength by using the mind.Neuropsychologia, 2004, 42(7): 944-956.
6) 鈴木俊明，谷埜予士次，米田浩久・他：等尺性収縮を用いた母指対立運動の運動イメージの方法の違いが脊髄神経機能に与える影響―視覚の有無の関連性―．脊髄機能診断学，2011，33(1): 75-79
9) 松田雅弘，渡邊　修，来間弘展・他：非利き手による箸操作の運動時，イメージ時，模倣時の脳内機構の比較―機能的MRIの検討―．理学療法科学，2011，26(1): 117-122
1) Philip L, Jackson PL, Martin F, et al.: Potential role of mental practice using motor imagery in neurologic rehabilitation. Arch Phys Med Rehabil, 2001, 82(8): 1133-1141.
7) 谷口愼一郎，木村　淳，市川博雄・他：運動イメージタスクが持続的安静に伴う脊髄前角細胞興奮性低下に及ぼす影響．脊髄機能診断学，2007，29(1): 92-97
10) 小木曽徹也，杉下守弘：全身運動イメージ中の脳内活動部位：機能的磁気共鳴画像法（fMRI）を用いて．体力科学，1999，48(6): 919
11) 伊藤博信，内山博之，山本直之訳：機能的神経科学　第2版．シュプリンガージャパン，2007，p212
2) Dickstein R, Dunsky A, Marcovitz E: Motor imagery for gait rehabilitation in post-stroke hemiparesis. Physical Therapy, 2004, 84(12): 1167-1177.
8) Jeannerod M: The representing brain, neural correlates of motor intention and imagery. Behav Brain Sci, 1994, 17(2): 187-245.
4) 鈴木俊明，谷埜予士次，米田浩久・他：等尺性収縮を用いた母指対立運動の運動イメージは脊髄神経機能を増加させる．脊髄機能診断学，2008，30(1): 100-103
5) 鈴木俊明，谷埜予士次，米田浩久・他：母指対立運動の運動イメージ方法の違いによる脊髄神経機能の興奮性の変化―F波による検討―．脊髄機能診断学，2009，31(1): 60-64
11
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References_xml – reference: 3) Ranganathan VK, Siemionow V, Liu JZ, et al.: From mental power to muscle power: gaining Strength by using the mind.Neuropsychologia, 2004, 42(7): 944-956.
– reference: 6) 鈴木俊明，谷埜予士次，米田浩久・他：等尺性収縮を用いた母指対立運動の運動イメージの方法の違いが脊髄神経機能に与える影響―視覚の有無の関連性―．脊髄機能診断学，2011，33(1): 75-79．
– reference: 10) 小木曽徹也，杉下守弘：全身運動イメージ中の脳内活動部位：機能的磁気共鳴画像法（fMRI）を用いて．体力科学，1999，48(6): 919．
– reference: 11) 伊藤博信，内山博之，山本直之訳：機能的神経科学　第2版．シュプリンガージャパン，2007，p212．
– reference: 2) Dickstein R, Dunsky A, Marcovitz E: Motor imagery for gait rehabilitation in post-stroke hemiparesis. Physical Therapy, 2004, 84(12): 1167-1177.
– reference: 5) 鈴木俊明，谷埜予士次，米田浩久・他：母指対立運動の運動イメージ方法の違いによる脊髄神経機能の興奮性の変化―F波による検討―．脊髄機能診断学，2009，31(1): 60-64．
– reference: 7) 谷口愼一郎，木村　淳，市川博雄・他：運動イメージタスクが持続的安静に伴う脊髄前角細胞興奮性低下に及ぼす影響．脊髄機能診断学，2007，29(1): 92-97．
– reference: 8) Jeannerod M: The representing brain, neural correlates of motor intention and imagery. Behav Brain Sci, 1994, 17(2): 187-245.
– reference: 9) 松田雅弘，渡邊　修，来間弘展・他：非利き手による箸操作の運動時，イメージ時，模倣時の脳内機構の比較―機能的MRIの検討―．理学療法科学，2011，26(1): 117-122．
– reference: 1) Philip L, Jackson PL, Martin F, et al.: Potential role of mental practice using motor imagery in neurologic rehabilitation. Arch Phys Med Rehabil, 2001, 82(8): 1133-1141.
– reference: 4) 鈴木俊明，谷埜予士次，米田浩久・他：等尺性収縮を用いた母指対立運動の運動イメージは脊髄神経機能を増加させる．脊髄機能診断学，2008，30(1): 100-103．
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  doi: 10.1016/j.neuropsychologia.2003.11.018
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  doi: 10.1053/apmr.2001.24286
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  doi: 10.1093/ptj/84.12.1167
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  doi: 10.1017/S0140525X00034026
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isometric opponens pollicis contraction
motor imagery
Title Influence of Motor Imagery of Isometric Opponens Pollicis Activity on the Excitability of Spinal Neural Function—Comparison of Contraction Strength
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