Table 1.

Speed/step length . | Without . | Unpowered . | Powered . | Mode P value (THSD)
. |
---|---|---|---|---|

0.8 L^{*} (1.00 m s^{–1}) | 2.49±0.14 | 2.86±0.07 | 2.65±0.12 | P=0.008^{*} WO<UNPOW |

1.0 L^{*} (1.25 m s^{–1}) | 3.13±0.13 | 3.39±0.11 | 3.00±0.10 | P=0.001^{*} WO<UNPOW POW<UNPOW |

1.2 L^{*} (1.50 m s^{–1}) | 4.22±0.18 | 4.62±0.22 | 4.04±0.13 | P=0.001^{*} WO<UNPOW POW<UNPOW |

1.4 L^{*} (1.75 m s^{–1}) | 7.18±0.50 | 6.89±0.32 | 6.19±0.29 | P=0.003^{*} POW<UNPOW POW<WO |

Speed/step length . | Without . | Unpowered . | Powered . | Mode P value (THSD)
. |
---|---|---|---|---|

0.8 L^{*} (1.00 m s^{–1}) | 2.49±0.14 | 2.86±0.07 | 2.65±0.12 | P=0.008^{*} WO<UNPOW |

1.0 L^{*} (1.25 m s^{–1}) | 3.13±0.13 | 3.39±0.11 | 3.00±0.10 | P=0.001^{*} WO<UNPOW POW<UNPOW |

1.2 L^{*} (1.50 m s^{–1}) | 4.22±0.18 | 4.62±0.22 | 4.04±0.13 | P=0.001^{*} WO<UNPOW POW<UNPOW |

1.4 L^{*} (1.75 m s^{–1}) | 7.18±0.50 | 6.89±0.32 | 6.19±0.29 | P=0.003^{*} POW<UNPOW POW<WO |

Values are means ± s.e.m., *N*=9; see Materials and methods for calculations

Mode: WO, without exoskeletons; UNPOW, unpowered exoskeletons; POW, powered exoskeletons. THSD, Tukey's honestly significant difference. L^{*},preferred step length at 1.25 m s^{–1}. *P*<0.05 indicates statistical significance. ^{*}Statistical power >0.80

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