Fig. 4From: Activation timing of postural muscles of lower legs and prediction of postural disturbance during bilateral arm flexion in older adultsMeans and standard deviations for onset time of postural muscle activation relative to onset of anterior deltoid (AD). ES erector spinae, BF biceps femoris, GcM gastrocnemius. *p < 0.05, **p < 0.01, ***p < 0.001. † Significant differences between burst onsets of AD and each postural muscle (p < 0.05)Back to article page