"Jelly-type three-ring tension band" is a chicken wire used to stretch or train the back muscles! For the cat back man who faces the computer screen all day, it is really good!

The back muscles are often overlooked, so the back muscles are naturally completed under unattended care for a long time!

But in fact, the back muscle plays an important role, maintaining the posture of the human body, and whether a person looks tall or straight, in fact, it is back!

Therefore, by exercising the back, it is possible to improve the hunchback, round shoulders and other undesirable postures.

It can also stabilize the upper body muscles and strong back muscles, which can reduce the "back pain".

Strengthening or stretching the back muscles is not difficult, simple props can do it! Let's practice the back together!