Nowadays, hunchback is no longer synonymous with elderly people.
For young people who use computers and mobile phones for a long time, they may involuntarily hunchback.
We should really stretch and relax our shoulders, neck, and chest.
.
Nowadays, hunchback is no longer synonymous with elderly people.
For young people who use computers and mobile phones for a long time, they may involuntarily hunchback.
We should really stretch and relax our shoulders, neck, and chest.
.