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Journal of the Korean Academy of Rehabilitation Medicine 1996;20(3):26.
The Correlation between Patellar Shape and Knee Pain
Jae Ho Moon, M.D., Han Soo Lee, M.D., Kwang Ik Chung, M.D., Young Moo Na M.D. , Dong Soo Lee, M.D.*
Department of Rehabilitation Medicine, Yonsei Univesity College of Medicine, *Department of Rehabilitation Medicine, Ewha Woman's University College of Medicine
슬부 동통과 슬개골 모양의 관련성에 관한 고찰
문재호, 이한수, 정광익, 나영무, 이동수*
연세대학교 의과대학 재활의학교실, *이화여자대학교 의과대학 재활의학교실

The purpose of this study was to assess the correlation between patellar shape and knee pain and to determine the effectiveness of quadriceps setting exercise for the relief of knee pain. The lateral radiographs of the 34 patients with knee pain and 44 control group were analyzed with respect to patellar shape by computing the ratio of patellar length to the length of the articular surface(morphology ratio). The 34 patients performed quadriceps setting exercise daily for 12 months.

Pain disability index was scored by patients at the beginning and at the end of the 12-month exercise. Three types of patellae were established by morphology ratio. A significantly larger portion of type II and type III patellae was found in patients with knee pain. After 12-month quadriceps setting exercise significant decrement of pain disability index was noted. In conclusion patellar shape in the sagittal plane can provide useful information to the clinician about patients with knee pain.

Key Words: Patellar shape, Knee pain, Quadriceps setting exercise, Pain disability index


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