Effect on somatosensory function of different muscle contraction strengths

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  • Kiyohara Katsunori
    Department of Rehabilitation, Sakakibarahakuho Hospital Clinical Research Division of Rehabilitation, Sakakibarahakuho Hospital Graduate School of Health Sciences, Graduate School of Kansai University of Health Sciences
  • Yamamoto Yoshinori
    Department of Rehabilitation, Sakakibarahakuho Hospital Clinical Research Division of Rehabilitation, Sakakibarahakuho Hospital
  • Kado Naoki
    Department of Physical Therapy, Kobe College of Rehabilitation and Welfare
  • Suzuki Toshiaki
    Graduate School of Health Sciences, Graduate School of Kansai University of Health Sciences

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Other Title
  • 筋収縮強度を一定に保持する課題が体性感覚機能に及ぼす影響
  • 筋収縮強度を一定に保持する課題が体性感覚機能に及ぼす影響 : 筋収縮強度の違いによる検討
  • キンシュウシュク キョウド オ イッテイ ニ ホジ スル カダイ ガ タイセイ カンカク キノウ ニ オヨボス エイキョウ : キンシュウシュク キョウド ノ チガイ ニ ヨル ケントウ
  • —筋収縮強度の違いによる検討—

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Abstract

<p>This study examined the effects of a task of modulating different voluntary contraction strengths on somatosensory evoked potentials (SEP). The subjects were seven healthy adults (age 24.0 ± 3.0 years). SEPs were recorded at rest and during three motor tasks. The motor tasks consisted of palmar abduction of the right thumb in the palmar abduction position, which was adjusted to 5%, 10% and 20% of the maximum voluntary contraction strength using visual feedback. The results showed that there was no difference in SEP amplitude between resting and each task. The task of self-regulating contraction intensity may not decrease the amount of sensory input regardless of the contraction intensity.</p>

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