The Complicated Nature of Gait 

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Both disciplines largely agree that cross-patterned gait Keto Resources Review (opposite arm and leg moving at the same time)  is a normal function of walking and running. However, proponents of the traditional "pedestrian model of gait" insist the legs are the main-event in locomotion and upright walking is a basic design where the legs propel the passive passenger - the trunk - through space. Pedestrian model advocates tend to lump the torso, arms and head together and generally dismiss the upper body as a critical player in gait mechanics.

As discussed in part 1, Canadian nuclear physicist Serge Gracovetsky, PhD, rebuked the pedestrian model by countering that counter-rotation of the shoulders and pelvis is an essential key to locomotion and force is not generated by the legs, but instead arises through a complex muscle/skeletal interaction propelled by what he calls a "spinal engine." He further expounds, "Evolutionarily, locomotion was first achieved by the motion of the spine. ... The legs came afterward as an improvement, not as a substitute."

If Gracovetskys theory that the spine is the primary engine driving the pelvis has "legs to stand on" (pun intended), then manual therapy assessments and rehabilitative corrections must be modified accordingly. Since low back pain is the most common disability with people under the age of 45, the consequence of this reinterpretation of spinal function could be far-reaching. Today, researchers and clinicians worldwide are experimenting with Gracovetsky's intriguing theory.

  Tuesday, February 19, 2019 at 11:39:59 PM

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