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KMID : 1142420190170030463
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PNF and Movement
2019 Volume.17 No. 3 p.463 ~ p.469
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Does Plantar-Flexor Muscle Fatigue Degrade Proprioceptive Sense at the Ankle Joint?
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Han Jin-Tae
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Abstract
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Purpose: This study investigated the effect of plantar-flexor muscle fatigue on the force sense and joint reposition sense of ankle joints in the healthy adults.
Methods: Fifteen healthy subjects (male: 9, female: 6) participated in this study. A digital dynamometer was used to measure the force sense error while a wireless motion capture device was used to measure the joint reposition sense error. To induce plantar-flexor muscle fatigue for a dominant lower extremity, the subjects were asked to perform plantar flexion until exhaustion while barefoot. The differences in force sense error and joint reposition sense error for the ankle joint were measured immediately. The Wilcoxon test was used to compare these values before and after inducing plantar-flexor muscle fatigue.
Results: The force sense error and joint reposition sense error of ankle joints after inducing plantar-flexor muscle fatigue increased significantly compared to the values before inducing muscle fatigue.
Conclusion: This study suggests that plantar-flexor muscle fatigue could degrade the force sense and joint reposition sense in ankle joints. In addition, it could deteriorate ankle proprioception.
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KEYWORD
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Muscle fatigue, Proprioception, Force sense, Reposition sense, Ankle joint
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