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The Effect of High-Heeled Shoes With Total Contact Inserts in the Gait Characteristics of Young Female Adults During Lower Extremity Muscle Fatigue

한국전문물리치료학회지 2008년 15권 1호 p.38 ~ 45
고은혜, 최흥식, 김택훈, 신헌석, 권오윤, 최규환,
소속 상세정보
고은혜 ( Ko Eun-Hye ) - 한서대학교 의료보장구학과
최흥식 ( Choi Houng-Sik ) - 한서대학교 물리치료학과
김택훈 ( Kim Tack-Hoon ) - 한서대학교 물리치료학과
신헌석 ( Cynn Heon-Seock ) - 한서대학교 물리치료학과
권오윤 ( Kwon Oh-Yun ) - 연세대학교 보건과학대학 물리치료학과
최규환 ( Choi Kyu-Hwan ) - 안산1대학 물리치료과

Abstract


This study investigated gait characteristics, kinematics, and kinetics in the lower extremities between two different shoe conditions (high heeled shoes (7 cm), and high heeled shoes with a total contact insert (TCI)) after lower extremity muscle fatigue. Although TCI shave been applied in high heeled shoes to increase comfort and to decrease foot pressure, no study has attempted to identify the effects of TCI in fatigue conditions. The purpose of this study was to determine the effects of walking in high heeled shoes with TCI after lower extremity muscle fatigue was induced. This study was carried out in a motion analysis laboratory at Hanseo University. A volunteer sample of 14 healthy female subjects participated. All in fatigue conditions, the subjects were divided into two groups. The muscle fatigue was induced by 40 voluntary dorsi- and plantar-flexion exercises and 40 heel-rise exercises of the dominant foot. Surface electromyography was used to confirm the localized muscle fatigue using power spectral analysis of three muscles (tibialis anterior, gastrocnemius medialis and lateralis). The results were as follows: (1) In muscle fatigue conditions, the use of TCI decreased the peak flexion angle of the hip joint significantly in the early stance phase (p<.05) and increased the peak hip flexion moment in the terminal stance phase (p<.05). (2) In muscle fatigue conditions, the application of TCI also increased peak hip power generation in the early stance phase and peak hip power absorption in the terminal stance phase (p<.05). (3) In muscle fatigue conditions, the use of TCI reduced the impact force significantly and increased the secondary peak vertical GRF. These findings suggest that the TCI may provide beneficial effects when muscle fatigue occurs for a high heeled shoe gait. Future research employing the patient population and various types of TCI materials are required to clarify the effects of TCI.

키워드

Gait;High-heeled shoe;Lower extremity muscle fatigue;Total contact insert

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