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Table 1 Mean of step execution parameters for younger and elderly adult subjects

From: Reliability of voluntary step execution behavior under single and dual task conditions

  Elderly Adults Younger adults
Single task   
Initiation Phase 205 ± 55 * 135 ± 25
Preparation Phase 420 ± 75 * 340 ± 62
Swing phase 371 ± 145 * 283 ± 48
Foot off time 625 ± 119 * 475 ± 78
Foot contact time 996 ± 223 * 758 ± 112
Dual task   
Initiation Phase 433 ± 158 *+ 186 ± 51+
Preparation Phase 470 ± 105 *+ 364 ± 50 +
Swing phase 391 ± 144 *+ 281 ± 61
Foot off time 902 ± 236 *+ 550 ± 76 +
Foot contact time 1294 ± 332 *+ 831 ± 119 +
  1. Values shown represent averages from the 1st measurement session in milliseconds for single (6 trials, 3 forward + 3 backward) and dual task (6 trials, 3 forward + 3 backward) ± 1 standard deviation. * Indicates statistically significant differences between age groups and +between task conditions within age groups, respectively (p < 0.05). P-value compares swing phase means ( ± 1 Standard Deviation) between the two groups were measured using Wilcoxon test and Mann-Whitney U test.