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A: group means (±SE) of margin of stability (MoS) for first-trial (FTR) and last-trial responses (LTR) at the lowest vertical center of mass position (COMlow) for young and older adults. B: scatterplots showing associations between MoS at ground contact (GC) and MoS at COMlow) (left), trunk flexion angle at COMlow (middle), and knee flexion angle at COMlow (right) for young and older adults. *P < 0.05, young vs. older adults.
