Exercise: The Stepping Stone to Rehabilitation: Taking sufferers from infantile paralysis as an example, Wu says that if no rehabilitation treatment is administered, lower limbs are too weak to support the body and normal walking is impossible. Excessive joint friction, ineffectual muscles, and numbness are common consequences, resulting in "second-degree disability."
運動是復健的延伸他以小兒麻痺患者為例指出，如果沒有復健治療，下肢支撐力量不足，加上走路方式不當，會引起關節過度磨損或肌肉無力、麻木等病變，造成所謂的「二度殘障」。