Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Investigate the Effect of Arch Support Stiffness on Gait Characteristics in Men with Flexible Flat Feet - A Focus on the Ankle Joint -

유연성 평발인 남성의 보행 시 족궁지지대의 강도가 보행특성에 미치는 영향 - 발목관절을 중심으로 -

  • Park, Subin (Division of Sport Science, Pusan National University) ;
  • O'Sullivan, David Michael (Division of Sport Science, Pusan National University) ;
  • Lee, Jungho (K2 Korea)
  • Received : 2022.05.17
  • Accepted : 2022.06.27
  • Published : 2022.06.30
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Abstract

Objective: The aim of this study is to analyze the effect of the strength of the ankle support on the walking characteristics and ankle joints when men with flexible flat feet walk. Method: 13 adult male subjects (age: 23.9 ± 2.4 yrs, height: 173.0 ± 5.0 cm, weight: 76.9 ± 13.2 kg, Navicular Drop Test (NDT): 10.2 ± 0.8 mm) participated in this study. Each participant had to walk with the 3 conditions, barefoot, soft arch support and hard arch support, along a walkway while their kinematics was recorded at 100 Hz. Results: Based on the results of this study, it is considered that men with flexible flat feet should use hard arch support rather than bare feet to induce normal arch shape, relieve foot damage caused by excessive ankle joint abnormalities and improve stability. Conclusion: Our results for men with flat flexibility, there was a significant difference in the value of step length when walking was performed using two arch supports with different strengths. The angle of ankle dorsiflexion was significantly increased, and the ankle eversion angle was significantly decreased.

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References

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