| Passive Knee Joint Proprioception Test in Normal Adults. |
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Park, Heon Jong , Kim, Don Kyu , Seo, Kyung Mook , Kang, Si Hyun , Seo, Jong Hyun |
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Department of Physical Medicine & Rehabilitation, Chung-Ang University College of Medicine, Korea. donkim21@cau.ac.kr |
| 정상 성인의 수동적 슬관절 고유수용성 감각 검사 |
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박헌종, 김돈규, 서경묵, 강시현, 서종현 |
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중앙대학교 의과대학 재활의학교실 |
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| Abstract |
Objective
To establish appropriate test angle of passive knee proprioception test and to compare with active knee proprioception test.
Method
Thirty one healthy volunteers were tested in seated position on isokinetic machine. For passive test, the knee joints were placed in starting angle of 0o, 30o in flexion test and 90o, 60o in extension test. To memorize target angle, they were passively positioned to the target angle and left hold for 10 seconds, and returned to starting position. After these processes, knee joints were passively moved toward flexion and extension target angle. The subjects were instructed to press stop button when the memorized angles were reproduced. The tests were performed 3 times for each 6 different test angle. The active test were performed with the same memorized process but the subjects moved actively to reproduce target angles. The absolute angular errors (AAE) between target angle and produced angle were measured and compared.
Results
In passive proprioception test, the AAEs were increased according to the test angle differences were increased from 30o to 60o. In the same target angle difference, there were no differences between starting positions. When the results of passive test were compared with active test, there were no significant differences in the flexion test, but larger angular error were measured in extension test.
Conclusion
The passive knee proprioception test could be useful for patients with lower extremity weakness. Considering the possible error of large angular difference, the testing angular differences should be properly selected. (J Korean Acad Rehab Med 2009; 33: 698-703) |
| Key Words:
Knee joint, Proprioception, Position sense, Passive |
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