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Regarding training frequency, significant differences were observed between weeks 0 and 2 or 4 in the everyday and once-a-week groups. Significant differences were observed in the every-other-day group between weeks 0 and 4 and no difference in the control group. For all groups, median LSS was higher in week 2 or 4 than that in week 0. Lip-seal training for 3minutes per session everyday, every-other-day or once-a-week for 4weeks increased LSS of older people. Lip-seal training for 3 minutes per session everyday, every-other-day or onc