Journal of Physical Therapy Science
Online ISSN : 2187-5626
Print ISSN : 0915-5287
Original Articles
Comparison of Selective Activation of the Abductor Hallucis during Various Exercises
Hyo-Jin HeoYoung-Mi KooWon-Gyu Yoo
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2011 Volume 23 Issue 6 Pages 915-918

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Abstract

[Purpose] Several exercises aim to strengthen the abductor hallucis (AbdH) of the foot arch which acts as a shock absorber. The purpose of the present study was to compare various exercises designed to strengthen the medial longitudinal arch (MLA) by selectively recruiting the AbdH in order to identify the most effective exercise method. [Subjects] Six males and six females participated in this study. [Methods] We selected and compared 5 exercises, which are known to be effective exercises. [Result] The exercise giving the highest EMG activation was EX 2 (64.43% MVIC). The second highest activation was found in EX 4 (40.50% MVIC). EMG values in EX 1 (40.12% MVIC), EX 4 and EX 5 (34.34% MVIC) were higher than in EX 3 (18.59% MVIC). EX 3 gave the lowest EMG activation of the 5 exercises. [Conclusion] The MLA plays an important role in gait and energy efficiency. Therefore, new exercises should be designed and existing exercises should be extended to incorporate new movements.

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© 2011 by the Society of Physical Therapy Science
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