translation.en: Poor muscle tone and impaired balance are the number one cause of falls, so reversing these problems through targeted exercise will help keep older people like my grandmother safer and independent for longer.
translation.zh: 缺乏健康肌群和平衡感变差 是造成跌倒的头号原因， 所以通过设定目标的锻炼 来扭转这一状况， 能够让像我祖母一样的老人们 更加安全和独立。