The JacRetract. This 2-stage exercise works very well with McKenzie’s neck retraction exercises33. The key to successful head-neck retraction is trunk stability. Without it, the movement is only partially effective in restoring extension to the lower cervical spine. Stage 1. a. In the sitting or standing position, the patient engages the handles in a downward [...]
Some people become frustrated when they don’t immediately experience spinal lengthening (aka the “spinal lift”) when using the PostureJac (eg. the Rocket exercise). My sense is that, in many individuals, spinal lengthening has not been experienced for some time, perhaps never! In order for the “spinal corkscrew” mechanism to work at least three things are [...]
The Piston exercise is important to create kinaesthetic awareness of good posture. Part of posture restoration/improvement requires a release of tight and rigid structures. Another important part involves the activation and strengthening of dormant muscles that are important for maintaining good alignment.
Additional strengthening can be achieved by providing resistance to this upward motion and spinal lengthening by using the Thera-Band tubing as illustrated.
2. The Rocket. a. In the standing or seated position (ideally in a chair without armrests so as to avoid interference), the patient pretends to be a rocket that is “blasting off.” As the PostureJac handles are pushed down with moderate pressure, the patient’s torso is propelled upward against gravity like a rocket until “lift-off” [...]
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