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Journal of the Korean Academy of Rehabilitation Medicine 2006;30(2):158-162.
A Weight Loading Device as a Method for Assessment of Unilateral Knee Pain.
Kim, Ki Hoon , Kang, Yoon Kyoo , Jo, Ho Sung , Kim, Dong Hwee , Hwang, Mi Ryoung , Shin, Joo Yong , Han, Hee Chul , Min, Sun Seek
1Department of Rehabilitation Medicine, Korea University College of Medicine, Korea. yoonkang@korea.ac.kr
2Physiology and Neuroscience Research Institute, Korea University College of Medicine, Korea.
체중 부하 평가 장치를 이용한 편측 슬관절 통증의 평가
김기훈, 강윤규, 조호성, 김동휘, 황미령, 신주용, 한희철1, 민선식1
고려대학교 의과대학 재활의학교실, 1생리학교실
To identify the effectiveness of a weight loading device as a method for assessment of unilateral knee pain.
Twenty-five patients with unilateral knee pain and 25 pain-free controls participated in this study. Patients with a score of 2 or more on modified Kellgren-Lawrence scale based on the radiologic findings were diagnosed as degenerative arthritis. We constructed a device of segmental foot plates with strain gauge weight sensors to measure the weight load of each leg during self-selected walking speed. Using this device, we obtained the ratio of symptomatic side to asymptomatic side of weight load (RATIO) for each patient. The degree of pain according to visual analogue scale (VAS), abnormalities in radiologic findings, and weight load ratio were compared with each other.
The RATIO was 1.00⁑0.03 in the control group, and 0.92⁑0.08 in the patient group (p<0.05). In the patient group, there was a significant correlation between RATIO and the VAS score (r=⁣0.44, p=0.03). In the patient group with degenerative arthritis, the RATIO (p=0.75) and VAS (p=0.94) were not different from those in patient group without degenerative arthritis.
The foot plate weight loading device may be an effective tool for convenient measurements of knee pain. (J Korean Acad Rehab Med 2006; 30: 158-162)
Key Words: Knee, Pain, Weight loading device, Visual analogue scale
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