Orthopedic experts advise that the 5 behaviors are

Orthopedic experts advise that the 5 behaviors are "torture" on the joints. After the age of 50, do not make trouble

As is well known, joints are also an important component of the human body. During limb movements, joints need to participate and maintain normal joint function, so that they can be flexible during movement and are less prone to pain or stiffness...