The effect of fatiguing exercise on balance performance as measured by the balance error scoring system
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The aim of the study was to investigate whether a fatiguing exercise on treadmill affects balance performance in recreationally active men and women. Nineteen subjects, aged 18-26 years, were assessed before and after a fatiguing exercise, using the Balance Error Scoring System (BESS). Fatiguing exercise was performed on treadmill using the Bruce protocol. A significant effect of fatigue was present in men ( P < 0.05) and women ( P < 0.05). Women performed at a significantly lower total BESS scores than men at both pretest ( P < 0.05) and posttest ( P < 0.05). The mean difference (posttest-pretest) between men and women was not significant ( P > 0.05). These findings suggest that a fatiguing exercise induced by means of treadmill increases postural sway in healthy subjects, and that this increase in postural sway is sex-independent.