“…Interventional studies have shown the efficacy of hippotherapy on muscle activity, functional ability, gait parameters, and postural stability in cerebral palsy [ 10 , 23 ], multiple sclerosis [ 24 , 25 ], down syndrome [ 26 , 27 ], and gerontological science [ 28 , 29 ]. Whereas, few reports described the motion mechanism of horseback riding which justify the efficacy on the dynamic trunk alignment.…”