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KMID : 0357220110230020023
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Journal of Korean Society Physical Therapy
2011 Volume.23 No. 2 p.23 ~ p.29
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The Relationship between Strength Balance and Joint Position Sense Related to Ankle Joint in Healthy Women
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Ko Yu-Min
Jung Mi-Suk
Park Ji-Won
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Abstract
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Purpose: The purpose of this study was to determine whether there is a relationship between strength balance and joint position sense related to the ankle joint in healthy women.
Methods: Twenty-six healthy women were recruited. Isokinetic strength and joint position sense (JPS) were measured using a Biodex System 4 pro Dynamometer and a Biodex Advantage Software Package. Prior to measuring the JPS and isokinetic strength, the dominant foot was determined according to the Waterloo Footedness Questionnaire. After the JPS test, isokinetic strength was evaluated in velocity , including practice trial (). Using the measured isokinetic strength, a Strength Balance Index (SBI) was calculated.
Results: Relative to the SBI, the degree of imbalance was varied; but there were imbalances. For each starting position, JPS error showed no significant differences (p>0.05). The relationship between SBI and JPS was found during the inversion to eversion process, eversion to inversion, and dorsi flexion to plantar flexion.
Conclusion: There are moderate to mild relationships between JPS and SBI during ankle movement. It is suggested that to prevent ankle injuries, strength balance should be considered along with the other potential factors including anatomical alignment, proprioception, and soft tissues problems.
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KEYWORD
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Strength balance, Joint position sense, Isokinetic strength, Ankle joint
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