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Kevin Kirby, DPM, discusses the biomechanical impact of the abductory twist, a sudden abduction motion of the foot which occurs at the time of heel-off during walking gait. The abductory twist is a relatively common gait abnormality, which occurs when the naturally occurring external motion of the pelvis above the foot during late midstance is not being matched by corresponding subtalar joint supination and tibial external rotation during late midstance.

 

Dr. Kirby is an Adjunct Associate Professor in the Department of Biomechanics at the California School of Podiatric Medicine at Samuel Merritt University. He is the Director of Clinical Biomechanics at Precision Intricast, Inc., and is in private practice in Sacramento, Ca.

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Presented by Kevin A. Kirby, DPM
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