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Topics in Antiviral Medicine ; 31(2):94, 2023.
Article in English | EMBASE | ID: covidwho-2317540
Journal of Hypertension ; 41:e320, 2023.
Article in English | EMBASE | ID: covidwho-2246602
J Frailty Aging ; 11(2): 231-235, 2022.
Article in English | MEDLINE | ID: covidwho-1811431


Social detachment due to coronavirus disease (COVID-19) has caused a decline in physical activity, leading to sarcopenia and frailty in older adults. This study aimed to compare muscle mass, strength, and function values in older women before and after the first wave of the COVID-19 pandemic (April-May 2020). Furthermore, changes in muscle measures across women who experienced different levels of impact on their social participation due to the COVID-19 pandemic were examined. Muscle mass (total, trunk, and appendicular muscle), grip strength, oral motor skills, social interactions (social network and participation), and social support were assessed in 46 Japanese community-dwelling older women (mean, 77.5 y; range 66-93 y) before and after the first wave of the COVID-19 pandemic. Trunk muscle mass significantly decreased after the first wave of the pandemic. When comparing changed values between the enhanced/maintained and reduced group during the pandemic, significant group difference was observed in trunk muscular mass, grip strength, and oral motor skills. Intriguingly, those who enhanced social participation had a positive change of grip strength values, showing that social participation might influence muscle function during the COVID-19 pandemic.

COVID-19 , Sarcopenia , Aged , COVID-19/epidemiology , Female , Hand Strength/physiology , Humans , Independent Living , Japan/epidemiology , Muscle Strength , Muscle, Skeletal/pathology , Pandemics , Sarcopenia/diagnosis , Sarcopenia/epidemiology