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Relationship between kinematic factors and maximum speed or acceleration. (Left) The relationship between maximum speed and kinematic factors of the Basso-Beattie-Bresnahan (BBB) score. Maximum speed demonstrated a stepwise increase with improved factors. “Plantar stepping” was associated with a dramatic increase in maximum speed. (Right) The same tendency was observed for maximum acceleration. Statistical analysis was not performed, because these data are longitudinal.
