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KMID : 1211620230180020061
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Journal of the Korean Society of Physical Medicine
2023 Volume.18 No. 2 p.61 ~ p.70
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The Effect of Intrinsic Foot Muscles Strengthening Exercise on the Balancing Ability and the Height of Navicular Bone in Adults with Flexible Flatfoot on Unstable Surface
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Lee Ju-Hyun
Kim Min-Seok
Shin Soo-Bin
Noh Ji-Won
Chae Seo-Yeon
Hong Yu-Jin
Oh Se-Jung
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Abstract
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PURPOSE: This study evaluated an intrinsic foot strengthening exercise method for flat feet by comparing the effects of intrinsic exercises on a stable surface and intrinsic exercises on an unstable surface.
METHODS: Twenty-four people with flat feet were divided into two groups. The control group performed short foot exercises and toe towel curl exercises on the stable support surface. The experimental group performed short foot exercises and toe towel curl exercises on an unstable support surface using Aerostep. The navicular drop test, and the static and dynamic balance were measured before and after the intervention.
RESULTS: In the experimental and control groups, there was a significant difference in the navicular drop test and static balance before and after the intervention (p < .05). On the other hand, there was no significant difference between the two groups (p > .05). In the dynamic balance, the experimental group showed significant differences in all directions after the intervention (p < .05). The control group showed significant differences in the postero-lateral direction and posteromedial direction (p < .05). In particular, in the forward direction, the experimental group had a more significant change than the control group (p < .05).
CONCLUSION: Intrinsic foot muscle strengthening exercises performed on unstable surfaces can be an effective clinical exercise method to improve the dynamic balance ability of people with flat feet.
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KEYWORD
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Balance, Flat foot, Intrinsic muscles, Strengthening, Support surface
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