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The average (±s.e.) elicited step frequency (StF) and step length (StL) at each running speed (v) across all prosthetic configurations. Linear regression equations follow as: StF = 0.20 v + 2.35, R2 = 0.67, p < 0.001; StL = 0.20 v + 0.49, R2 = 0.88, p < 0.001.
