Taijiquan
自转 zìzhuǎn is described by 缠法 Chán Fǎ. It is the turning of a segment of the body along an axis or point.
Rotation
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缠法 Chán Fǎ
Chan fa is a spiraling method of force generation that is a basic principle of Taijiquan. It involves the sequential Rotation of segments of the body in coordination to produce torque.
- Revolution vs Rotation
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Revolution
公转
gōngzhuànis achieved through the coordinated Rotation of different segments of the body. The revolution of the hand is performed in the Positive and Negative Circles. The analogy is to the Earth revolving around the Sun: It rotates once every day and revolves once every year. -
Negative Circle Procedure
Every part only does what it is supposed to do but it looks like it does more because of the other parts. Illusion from the coordination of independent actions: Revolution and Rotation. Revolution is physical movement, rotation is no movement.