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논문KCI 등재

내외측 Wedge와 넙다리네갈래근 각의 차이가 안쪽빗넓은근/가쪽넓은근 비에 미치는 영향

Effects of Medial, Lateral Wedge and Difference of Quadriceps Angle on Vastus Medialis Oblique/Vastus Lateralis Muscle Activity Ratios

이현주|이충휘|유원규
한국전문물리치료학회 (Korean Research Society of Physical Therapy)|2005.05|한국전문물리치료학회지 (Physical Therapy Korea)|제12권 제2호|pp. 11-19

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참고문헌

주제분류물리치료학

초록

Abstract

Patellofemoral pain syndrome (PFPS) is often attributed to malalignment and maltracking of patella within the patellofemoral joint. Most exercise for PFPS has focused on selectively strengthening the vastus medialis oblique muscle (VMO). This study was designed to identify the effect of medial, lateral wedge and difference of Quadriceps angle (Q-angle) on vastus medialis oblique/vastus lateralis muscle (VL) activity ratios. The subjects were twenty young adult males who had not experienced any knee injury. They were asked to perform isometric contraction exercises in three postures using medial and lateral wedge. The EMG activity of the VL and VMO were recorded in three postures by surface electrodes and normalized by %MVC values derived from seated, isometric knee extensions. The normalized EMG activity levels (%MVC) of the VL and VMO for the three postures of the lower extremities were compared using 2-way repeated measures ANOVA with 1 between-subject factor (group), and 1 within-subject factor (wedge). Results of repeated measures of ANOVA's revealed that the medial wedge isometric contraction exercise produced significantly greater EMG activity of VMO/VL ratios in Group I (Q-angle 18° or less) (p<.05). But, the medial wedge isometric contraction exercise was no significant difference of VMO/VL ratios in Group Ⅱ (Q-angle 19° or more) (p>.05). These results have important implications for selective VMO muscle strengthening exercises in PFPS patients.

참고문헌 (33)

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