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KMID : 1151220210270020042
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Journal of Korean Academy of Orthopedic Manual Therapy
2021 Volume.27 No. 2 p.42 ~ p.48
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Before and After Cruciate Ligament Reconstruction Comparison of Isokinetic Muscle Strength for Knee Extensor Muscles
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Moon Dal-Joo
Kim Jong-Woo
Hwang Byeong-Jun
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Abstract
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Background: The purpose of this study is to compare and analysis the changes in strength and endurance of the knee extensor muscles after Anterior cruciate ligament reconstruction.
Methods: Twelve male subjects with ligament injury were seated on Biodex and the hip joint was flexed at 110°, and torso, lower extremities, and legs were fixed using Velcro. The resistance device was placed at a point 3cm above the ankle, and measurements were taken before and a surgery at 60°/sec and 180°/sec when the knee was maximally extended. The postures ingeniously combine forward-bending poses countered with backward-bending ones.
Results: There was no significant difference in the comparison of muscle strength of 60°/sec and 180°/sec before surgery. But there was a significant difference after surgery. There was significant difference in muscle endurance both before and after surgery. There was a significant difference in the pre- and post- operative comparison values of muscle strength and endurance in isokinetic movements at 60°/sec and 180°/sec during knee extension on the injured side.
Conclusion: For cruciate ligament tears, Orthopedic reconstruction is recommended. Correct alignment of the knee ligament after surgery can enhance the strength and endurance of the quadriceps femoris during knee extension rejuvenated.
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KEYWORD
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Anteriocruciated ligament, Peack torque, Total work
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