Master Chen Zhonghua Online Lesson on Mar. 24, 2021 - Kelvin Ho
When the body action is correct, the energy is wrong.
When the energy is correct, the body action is wrong.
Body action and energy must have separation of yin and yang.
At the end, we need to use rotational movement to shoot out straight line energy.
Normally, body action and energy tend to go together. Even if we begin with rotation, it very easily follows the energy path, and does not rotate anymore.
If we press the shoulder into the elbow, and the elbow is on the table, the energy will shoot towards the finger. As we push the shoulder more, the finger may shoot up and deviate from going outward. We need to control the finger navigation. This is like controlling the rotational action.
Source: https://practicalmethod.com/?p=74622