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Effects of Different Shoe Heel Heights on the Kinematic Variables of the Lower Extremities during Walking on Slopes by healthy adult women
J Korean Soc Phys Med 2019;14(3):21-27
Published online August 31, 2019;
© 2019 Journal of The Korean Society of Physical Medicine.

Yong-pil Yang, PT, PhD

Department of Physical Therapy, Dongshin University
Received April 30, 2019; Revised May 2, 2019; Accepted May 30, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
PURPOSE: This study examined the changes in the kinematic variables during walking on a downhill ramp according to the shoe heel height.
METHODS: The subjects were 10 adult women with no history of musculoskeletal disorders who agreed to participate in the study. Data were collected using a motion analysis system (VICON) consisting of six infrared cameras. The slope was 120 ㎝ in width, 200 ㎝ in length, and 15 in inclination. To confirm the change in gait parameters (stride length, gait speed) and lower extremity joint angle according to the heel heights of the shoes, flat, 5 ㎝, and 10 ㎝ heel shoes were prepared and walked alternately.
RESULTS: As a result, both the stride length and walking speed showed significant differences according to the heel height between flat and 10 ㎝ (p<.05). In the sagittal plane, there was no significant difference in the hip joint and knee joint, but a significant difference was observed in all events in the ankle joint on all heel heights (p<.05). In particular, the heel strike and mid stance events showed significant differences among all height conditions (p<.05). No significant difference was observed in any of the joint angle changes in the frontal plane (p>.05).
CONCLUSION: As the shoe heel height increased, the instability increased and efforts to secure the stability were made, leading to a shortened stride length, walking speed, and angle of the ankle joint.
Keywords : Analysis, Gait, Shoe heel

August 2019, 14 (3)
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