 These determinants of gait are known to ensure economical locomotion, Kuo, A. D., Donelan, J. M. (2010).
<coherence>  These determinants of gait are known to ensure economical locomotion, Kuo, A. D., Donelan, J. M. (2010).
 These determinants of gait are known to ensure economical locomotion, Donelan, J. M. (2010).