PostureJac Blog

The Total Core-Prone. This next exercise is called the Total Core-Prone because it trains the core muscles from the upper cervical spine down to the pelvic floor.  Proposed muscle activation includes the following: the deep neck flexors, lower cervical multifidus, lower trapezius, transversus abdominis, lumbar mutifidus, oblique abdominals, rectus abdominis, pubococcygeus, gluteus maximus, etc.  It [...]

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 [...]