| ประโยคภาษาจีน : 中文句子 | 
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|  rú hé如何  zuò做  tái抬  tuǐ腿  yùn dòng运动  duì yú对于  xī gài膝盖  wù lǐ liáo fǎ物理疗法  zhì liáo治疗  zhōng中  huò qǔ获取  yǒu guān有关  cǐ此  miǎn fèi免费  shì pín视频  wù lǐ zhì liáo物理治疗  yāo tuǐ tòng腰腿痛  zhuān jiā专家  tí shì提示  hé和  jiàn yì建议 | 
| How to do leg lift exercises as physical therapy for the knees; get expert tips and advice on treating leg pain in this free physical therapy video. |