Compared with young and older subjects, middle-aged adults
showed no significant difference in temporal-spatial gait
parameters and their stride-to-stride variability (P>0.050);
Compared with young subjects, middle-aged adults showed a
significant higher value in medial-lateral (ML) direction of
acceleration RMS of COM (P=0.038) and its stride-to-stride
variability (P=0.030), as well as in COM-COP inclination angle
(P=0.003). There was no significant difference in the above two
parameters of gait stability between middle-aged and older
subjects (P>0.050).