The Pettibon Weighting System consists of specially designed head, shoulder, and hip weights that you wear daily for up to 20 minutes. The amount of weights and their placement depend upon the spinal misalignment that needs to be corrected.

The nervous system always wants us to hold our heads upright and it has five righting reflexes that continually send it skull and spine positional information.

Wearing the weights alters the body’s centers of mass, causing the righting reflexes to send this new sensory information to the nervous system. To balance the body relative to the weights, the nervous system causes some involved spinal muscles to relax and others to contract, thereby correcting the spine and posture relative to gravity.

Additionally, the weights force the involved muscles to do isometric exercises. This is needed to restore their strength, endurance, and balance so that the spine is held in alignment after optimum strength has been gained. Isometric exercises, which involve pushing against a force that moves very slowly or doesn’t move at all, help eliminate postural muscle spasms as well as rehabilitate their balance, strength, and endurance.

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