많은 짤과 흥미로운 이야기

Frequent neck and shoulder pain is like fate for students and office workers who sit in front of their desks for hours a day. Maintaining the same posture with pain increases the risk of developing turtle neck syndrome, which causes the lower neck bone to bend. "Turtle neck" is an easy-to-prevent syndrome if we pay attention to our usual posture, but it is also not easy for us to spend our hecti..