PHYSIOKINETIC; SUB-PRINCIPLE: Sequential Locking and Sequential Relaxation

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The human body works as a compilation of joints (Hinge, ball & socket and gliding), it can be controlled by those joints. When force is applied to say, the wrist, the recipients body will want to save that wrist from dislocation, it will then yield at the wrist, then at the elbow, then the shoulder - it will yield sequentially. 

The spine can pivot and bend only when it does not directly receive force. Once it becomes affected by force, it becomes like a solid bar. 

Understand sequential locking as it inter-connects with spatial relativity as to how those combine to damage joints. If force is applied to a joint faster than an adversary’s body can yield, the joint will be damaged rather than succumb sequentially. The more localized the pressure - spatial relativity - the easier that becomes. The faster the application - temporal relativity - the easier that becomes. 

A properly aligned technique - a punch - will take our joints to a constructive “locked” position, removing enough slack to create the stability required to deliver force. We then apply sequential relaxation, relaxing from our center outward, reversing the sequence that wold lock the center - sequential locking. Relaxing from the center to the spine to the shoulder to the elbow to the wrist to the fingers. Sequential relaxation keeps techniques connected to our center - centeredness. 

Body motion does involve some muscle tension - positive relaxation - permitting sequential relaxation. When a karate-ka and martial artists thinks of locking and unlocking sequentially they also consider how two-way action, gravity, basing, stacking and gifts (see Rory Miller for further information) play into its implementation/methodologies. 

It should be noted by Okinawan karate-ka that this sub-principle drives a concept termed, “Chinkuchi,” used by the Okinawan karate-ka in describing how the muscles, sinew and bones, etc., come into play for locking and relaxation applied to others like structure and alignment, etc., in application of multiple defense methodologies. 

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