A knowledge of the gait cycle aids in the comprehension and diagnosis of different lower-extremity conditions. Sixty percent of the time the feet are in stance position when all or part of the body's weight is placed on one limb. There are three phases of stance: contact (hitting the ground with the heel), midstance (the whole foot is in contact with the ground), and propulsion (pushing off with the great toe). During the stance phase the foot will go from supination (inversion) to pronation (eversion) and back to supination. This happens 8,000–10,000 times per day (American Podiatric Medical Asso cia tion, Inc., 2009). If there are any minor discrepancies in the biomechanics of the cycle, the practitioner can assist in correcting those with orthotics, physical therapy, and bracing.
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Cite this: Foot Care from A to Z - Medscape - Sep 01, 2010.