你所不知道的十大傷腰姿勢

https://www.youtube.com/watch?v=Yg5aHJvqm9w

https://www.youtube.com/watch?v=ACEI7RJLWA0

https://www.youtube.com/watch?v=i8fMVB9DeVk

https://www.youtube.com/watch?v=vj-6MdxBLTs

https://www.youtube.com/watch?v=4clt7LGWL0s

脊椎保健

https://www.youtube.com/user/bodylearning3/videos

https://www.youtube.com/user/bodylearning3