Determination of Laryngeal Elevation Training on Tongue-to-Palate Pressure Generation Using Surface Electromyogram

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  • SATO Atsunobu
    Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine Department of Speech Language and Hearing Sciences School of Rehabilitation Sciences, Seirei Christopher University
  • KONDO Takeo
    Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine
  • SHIBAMOTO Isamu
    Department of Speech Language and Hearing Sciences School of Rehabilitation Sciences, Seirei Christopher University
  • IZUMI Shin-ichi
    Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine

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Other Title
  • 舌挙上による喉頭挙上訓練法の検討
  • 舌挙上による喉頭挙上訓練法の検討 : 表面筋電図による筋活動量の点から
  • ゼツキョジョウ ニ ヨル コウトウキョジョウ クンレンホウ ノ ケントウ : ヒョウメンキンデンズ ニ ヨル キン カツドウリョウ ノ テン カラ
  • ─表面筋電図による筋活動量の点から─

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Abstract

<p> It is difficult for older adults to attain exercise goals by performing head-raising exercises for strengthening the suprahyoid muscles because of sternocleidomastoid muscle fatigue. Although it was reported that tongue-to-palate pressure generation is superior to head-raising exercise to strengthen the suprahyoid muscles, the data is unclear for healthy older adults. The purpose of this study was to determine whether tongue-to-palate pressure generation can be used for laryngeal elevation training.　 Fifteen healthy younger adults (age, 27.1±2.6 years) and 12 healthy older adults (age, 76.0±3.0 years) participated in this study. We determined the electromyographic activity of the suprahyoid muscles, infrahyoid muscles, and sternocleidomastoid muscle when the participants performed tongue-to-palate pressure generation, head-raising exercise, and Mendelsohn maneuver. All parameters were compared using two-way analysis of variance.　 In terms of comparing the electromyographic activity of the suprahyoid muscles determined in this study, tongue-to-palate pressure generation significantly outperformed head-raising exercise and Mendelsohn maneuver (p＜ 0.01). In terms of comparing the electromyographic activity of the infrahyoid muscles and sternocleidomastoid muscle, head-raising exercise and Mendelsohn maneuver significantly outperformed tongue-to-palate pressure generation (p＜ 0.01).　 In healthy older adults, tongue-to-palate pressure generation may effectively improve electromyographic activity of suprahyoid muscles and may be used for laryngeal elevation training.</p>

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