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KMID : 1146520130140010102
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Journal of the Society of Stroke on Korean Medicine
2013 Volume.14 No. 1 p.102 ~ p.106
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A Case Study on Lower Extremity Muscle of Elderly with Osteoarthritis in Ultrasonic Image
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Yoon Se-Won
Park Soo-Ji
Lee Jeong-Woo
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Abstract
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Objectives: The purpose of the this study was to investigate organization change(pennation angle) of lower extremity muscle in elderly with knee osteoarthritis through ultrasonic image. Also, we examined organizational change of muscle was by influenced after total knee replacement(TKR).
Methods: Rectus femoris image was taken at 50% of the distance between the anterior superior iliac spine and the superior border of the patella. Vastus medialis image was taken at the most distal insertion level of vastus medialis on the medial border of the patella. measurements included the most distal insertion level of the vastus medialis on the medial border of the patella.
Results: Change of pennation angle in rectus femoris showed decrease from 5.11° in preoperation to 4.29° in 1 week after operation. Change of pennation angle in vastus medialis showed decrease from 6.94° in preoperation to 5.76° in 1 week after operation.
Conclusion: We consider decrease of pennation angle after total knee replacement in this study was casued by organizational change of muscle and this pennation angle was infl uenced force created by muscle. Therefore, we thinks that this pennation angle through ultrasonic image will be available to plane individual muscle exercise program and to confi rm muscle mass by muscle strength training.
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KEYWORD
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Knee osteoarthritis, Ultrasonic image, Total knee replacement(TKR)
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