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The Effect of Calf Stiffness on Gait, Foot Pressure and Balance in Adults
J Kor Phys Ther 2019;31(6):346-350
Published online December 30, 2019;  https://doi.org/10.18857/jkpt.2019.31.6.346
© 2019 The Korea Society of Physical Therapy.

JeonHyeong Lee1, JongSung Chang2

1Department of Physical Therapy, Daegu Health College, Daegu; 2Department of Physical Therapy, Yeungnam University College, Daegu, Korea
JongSung Chang E-mail changjs@ync.ac.kr
Received November 4, 2019; Revised December 4, 2019; Accepted December 5, 2019.
This is an Open Access article distribute under the terms of the Creative Commons Attribution Non-commercial License (Http://creativecommons.org/license/by-nc/4.0.) which permits unrestricted non-commercial use, distribution,and reproduction in any medium, provided the original work is properly cited.
Abstract
Purpose: The purpose of this study was to investigate the effects of calf tightness on gait, plantar pressure, and balance in adults.
Methods: A total of 60 participants were divided into a normal group of 30 subjects with normal dorsiflexion angle (20-25 degrees) and an experimental group of 30 subjects with limited dorsiflexion angle (0-15 degrees) due to calf tightness. Gait ability and foot pressure of the subjects was measured with a treadmill, and the balance ability was measured by PROKIN system.
Results: A significant difference in COP length, loading response, and single limb support was observed between groups. The COP length and single limb support ratio in the normal group was greater than in the experimental group, but the experimental group showed a higher ratio for loading response in the gait ratio.
Conclusion: Our results indicated that calf tightness was negative effects on balance and gait ability, so assessment of the muscle tightness should be considered during exercise and treatment.
Keywords : Balance, Calf stiffness, Gait, Treadmill


December 2019, 31 (6)
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