Sagittal Plane Gait Kinematics in Individuals With Chronic Ankle Instability

in International Journal of Athletic Therapy and Training

Single joint kinematic alterations have been identified during gait in those with chronic ankle instability (CAI). The purpose of this study was to compare sagittal plane hip, knee, and ankle kinematics during walking in participants with and without CAI. Twelve individuals with CAI and 12 healthy individuals walked on a treadmill at 1.5 m/s. Three-dimensional kinematics were analyzed using mean ensemble curves and independent t tests. Participants with CAI demonstrated less lower extremity flexion during the absorption phase of stance and the limb placement phase of swing, which may have implications for limb placement at initial contact.

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Matthew C. Hoch is with the School of Physical Therapy and Athletic Training, Old Dominion University, Norfolk, VA.

David R. Mullineaux is with the School of Sport and Exercise Science, University of Lincoln, UK.

Kyoungkyu Jeon is with the Sport Science Institute, Incheon National University, Incheon, Korea.

Patrick O. McKeon is with the Department of Exercise and Sport Sciences, Ithaca College, Ithaca, NY.