Effects of different forms of shaker exercises on hyoid muscles activation in healthy adults

doi:10.12307/2025.652

Abstract

Abstract: BACKGROUND: Shaker exercise can enhance the contraction force of the hyoid muscles, which is effective in the treatment of oropharyngeal dysphagia. Shaker exercise should be performed through the main force of the anterior cervical region to train the hyoid muscles. However, patients often experience physical fatigue, leading to compensatory abdominal force exertion. Moreover, the effect of different forms of shaker exercises on the activation of the hyoid muscles in healthy adults is currently unknown.
OBJECTIVE: To investigate the effects of shaker exercises with varying force on the activation of the hyoid muscles in healthy adults.
METHODS: Twenty healthy adults, including 10 males and 10 females with a mean age of (26.8±3.4) years were recruited as participants for the study. They performed isometric movements of the shaker exercise in the anterior neck and abdominal force modes in sequence. Simultaneously, real-time surface electromyography data were collected from the suprahyoid and infrahyoid muscles and rectus abdominis muscle. At the end of the experiment, participants were asked to rate the physical exertion levels for each type of force using the Borg Rating of Perceived Exertion Scale at the end of the training. Following a series of processing of the original electromyography signals, the peak amplitude and/or average amplitude values of the suprahyoid and infrahyoid muscles and rectus abdominis in the 60-second movement window were calculated and compared, and the differences in the subjective fatigue scores corresponding to the two force modes were compared.
RESULTS AND CONCLUSION: The average amplitude of the rectus abdominis muscle in the abdominal force mode was found to be higher than that in the neck force mode (P < 0.05). However, there were no significant differences in the mean and peak amplitudes between the suprahyoid and infrahyoid muscles in the two force modes (P > 0.05). There was also no significant difference in the Borg Rating of Perceived Exertion Scale scores in the two force modes (P > 0.05). These findings suggest that shaker exercises with different force modes (anterior neck and abdomen) have minimal impact on the hyoid muscles and similar feeling of fatigue in healthy adults.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: dysphagia, shaker exercise, surface electromyography, suprahyoid muscles, infrahyoid muscles, rectus abdominis, engineered tissue construction

CLC Number:

Li Zhenzhen, Zhen Qiaoxia, Chen Keke, Fang Boyan. Effects of different forms of shaker exercises on hyoid muscles activation in healthy adults [J]. Chinese Journal of Tissue Engineering Research, 2025, 29(18): 3791-3797.

Figures/Tables 6

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