고관절 등척성 내전 운동과 슬관절 등척성 신전운동시 대퇴사두근의 활동전위에 미치는 효과
Isometric Hip Adduction Exercise and Isometric Knee Extension Exercise Effect on Action Potentials of the Quadriceps Femoris
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The purpose of this study was to determine whether the vastus medialis obliquemuscle(VMO) had greater electrical activity than the vastus lateralis muscle(VL) whenhip adduction and knee extension exercise were performed. Electrical activity of theVMO and VL was measured on 42 healthy subjects (28 men, 14 women) duringmaximal voluntary isometric contractions of hip adduction and knee extension by anEMG-BIOFEEDBACK. The results showed that the electromyographic activity of theVMO was significantly greater than that of the VL during the hip adduction exercise. Differences noted with knee extension by performing hip adduction exercises. Isometric hip adduction exercises, therefore, may be advisable in the treatment ofpatients with patelIofemoral pain.
Abstract
The purpose of this study was to determine whether the vastus medialis obliquemuscle(VMO) had greater electrical activity than the vastus lateralis muscle(VL) whenhip adduction and knee extension exercise were performed. Electrical activity of theVMO and VL was measured on 42 healthy subjects (28 men, 14 women) duringmaximal voluntary isometric contractions of hip adduction and knee extension by anEMG-BIOFEEDBACK. The results showed that the electromyographic activity of theVMO was significantly greater than that of the VL during the hip adduction exercise. Differences noted with knee extension by performing hip adduction exercises. Isometric hip adduction exercises, therefore, may be advisable in the treatment ofpatients with patelIofemoral pain.