Foreign allometric exponents adequately normalize isokinetic knee extension strength to identify muscle weakness and mobility limitation in Portuguese older adults: A cross-sectional study

This is a dataset encompassing 226 Portuguese (n=132) and Brazilian (n=94) older adults. Mobility limitation (six-minute walk test, at lowest quartile), lower limbs strength (knee extension isokinetic strength at 60º/s), and body dimensions measures were taken.<b> </b>Foreign allometric exponents (^b) were used to normalize Portuguese strength (strength/body-size variables^b).

本数据集共纳入226名老年受试者，其中葡萄牙籍132名、巴西籍94名。本研究采集了受试者的活动能力受限情况（以6分钟步行试验（six-minute walk test）结果处于最低四分位数作为判定标准）、下肢肌力（60°/s角速度下的膝关节等速伸肌肌力（isokinetic strength））以及身体维度指标。<b> </b>采用外源性异速生长指数（allometric exponents，标记为^b）对葡萄牙籍受试者的肌力指标进行标准化处理，即通过计算（肌力/身体大小变量）的^b次方实现标准化。