Backward walking exercise

[youngfred116]

what the foooooooooooooock

[iraqvet2007]

wish i could understand them me not chinese

[takpei]

令本人對倒行運動加深了認識，而「前五步、後四步」的方法更消除­少中國人對倒後行的忌諱。多謝你，物理治療師劉生。