365 Ways #216–How you DEPEND on your posture
#216--Pronation pulls the pelvis into anterior pelvic tilt. When the pelvis tilts forward, pressure is felt in the lower back (and it's 2-7x's body weight with EACH STEP when running). This irritates the facet joints which are innervated by the same nerve that reflexively innervates the multifidus--a key muscle of segmental spinal stabilization. Since the muscles of the pelvic floor and the multifidus are on the same neurological loop and pain often leads to muscular inhibition, the irritation of the facet joints can cause the muscles of the pelvic floor to be shut off. It's no wonder that runners, with over one-third being affected, head the list of athletes who suffer from incontinence.
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