Means and standard deviations for walking variability of spatial-temporal parameters for each condition.

<p>Un.Walk.: unobstructed walking; Low: walking with low obstacle avoidance; Interm.: walking with intermediate obstacle avoidance; High: walking with high obstacle avoidance. p<0.05, *: Difference between groups, ^#: difference between unobstructed walking and walking with obstacle avoidance, regardless of obstacle height; ^a: difference between Un.Walk and Low; ^d: difference between Low and Interm.; ^e: difference between Low and High; ^f: difference between Interm. and High.