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Legend: K-means cluster analysis was used to differentiate LOW, MOD and HI responders (panel a). Data are presented as individual respondent values, bar graph values indicate group mean values, and mean ± standard deviation values are presented below each bar. Panel b depicts PRE versus POST representative ultrasound images (scale bar = 1 cm); abbreviations: VL, vastus lateralis; VI, vastus intermedius, Fe, femur.
