  Mechanics of walking  . Journal of Applied Physiology, 21, 271– 278Kuo , A. D. (2007).
<fluency>   Mechanics of walking  . Journal of Applied Physiology, 21, 271– 278Kuo , A. D. (2007).
 " Mechanics of walking . Journal of Applied Physiology, 21, 271– 278Kuo , A. D. (2007).