Do the duration and frequency of physical activity affect the indicator of sarcopenia in older adult?

ABSTRACT Sarcopenia is a syndrome characterized by progressive loss of muscle mass and associated with adverse health outcomes in older adults. Physical activity has been pointed out as an important tool for its prevention. Therefore, this study investigated the relationship of sedentary lifestyle, duration and frequency of physical activity with the indicator of sarcopenia in older adults. Five hundred and fifty-one physically active older adults enrolled in senior fitness centers of Maringá (PR) participated in this cross-sectional study. The International Physical Activity Questionnaire (IPAQ) and the SARC-F were the instruments used. Data analysis was conducted using the Kolmogorov-Smirnov tests, Spearman correlation coefficient and the Structural Equation Analysis (p

摘要：肌肉减少症（Sarcopenia）是一种以进行性肌肉量丢失为特征的综合征，与老年人的不良健康结局密切相关。现有研究指出，体育活动是其预防的重要手段。为此，本研究探讨了久坐行为、体育活动时长与频率和老年人肌肉减少症相关指标之间的关联。本项横断面研究共纳入来自马拉温加（PR）老年健身中心的551名健身老年人。研究采用国际体力活动问卷（IPAQ）与SARC-F量表（SARC-F）作为评估工具。数据分析采用柯尔莫哥洛夫-斯米尔诺夫检验、斯皮尔曼相关系数及结构方程分析（Structural Equation Analysis）（p