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조종현,박원하 대한스포츠의학회 1999 대한스포츠의학회지 Vol.17 No.1
The purpose of this study was to compare of bilateral isokinetic parameters and thigh circumferences in patients with anterior cruciate ligament reconstruction (ACLR) using bone-patellar tendon-bone autograft(mean age : 32.68±9.86 years.. mean time of Isokinetic test after ACLR : 4.00±0.98 months). We have examined 34 patients with ACLR of knee using the Isokinetic Rehabilitation and Testing System(Modle No. Cybex 6000). Isokinetic parameters of the knee extensors and knee flexors at the angular velocity of 60 degree/sec and 180 degree/sec were measured and analyzed. The results showed that the values of peak torque(PT), peak torque percentage of body weight, average power(AP), total word(TW), torque acceleration energy(TAE) of the involved knee extensors and flexors were significantly low compared to the uninvolved knee at the angular velocity of 60 degree/sec and 180 degree/sec. At the angular velocity of 60 degree/sec, the knee extensors showed 56.02±12.26% deficit in PT 52.94±12.80% deficit in TW, 50.64±13.02% deficit in AP, and 53.50±15.52% deficit in TAE, the knee flexors showed 30.73±13.63 deficit in PT, 36.23±16.12% deficit in TW, 34.32±17.03% deficit in AP, 33.91±23.00% deficit in TAE(p<0.0001). At the angular velocity of 180 degree/sec, the knee extensors showed 43.50±15.34% deficit in PT, 45.14±16.41% deficit in TW, 43.97±17.79% deficit in AP, and 42.70±16.24% deficit in TAE, the knee flexors showed 30.02±20.70% deficit in PT, 38.50±23.25% deficit in TW, and 29.82±22.02% deficit in TAE(p<0.05). The thigh circumference of the involved leg was 4.84% smaller than that of the uninvolved leg(p<0.0001). These results means that on same angular velocity, knee extensors has deficiency ration than knee flexors, and also 60˚/sec is higher deficiency ration than 180˚/sec. Therefore, after ACLR, clinicians must estabilish rehabilitation programs that will enhance the knee extensors and knee extensors and isokinetic function at 60˚/sec, espcially in early rehabilitation.