They have not experienced the concept of emptiness within fullness and fullness within emptiness. When people hold tension in their posture, they are inflexible. They will feel painful, sore, and fatigued, and they are more likely to be injured. When a student really begins to understand the concept of emptiness. When this happens.
True relaxation is a release from tension in both mind and muscle, enabling the body to expand.
To be both relaxed and expanded at the same time is the nature of ''song. Internal cavities. pathways, and joints spread open. creating empty space. Like the air inside a balloon, qi cannot be seen or touched. It can be said that qi is the emptiness that fulfills the body. Fullness is the key to unity.