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KMID : 0895820040140010099
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Journal of Oriental Rehabilitation Medicine
2004 Volume.14 No. 1 p.99 ~ p.106
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The S tudy o n the C hanges o f Q a n g le in H emiparesis
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Lee Dong-Yeul
Kim Soon-Joong
Pan Shih-Ping
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Abstract
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objects: The objects of this study are to know the changes of quadriceps angle(Q angle) as an indicator of stability of lower limbs in hemiparesis.
Methods: We measured both sides Q angles of 40 patients, who have been gait disturbance in stroke. We measured them in standing position after marking times for getting a ordinarily walking pose. We used thread hanged a weight for vertical line from patella, and measured the angle between a line from patella to anterior superior illiac spine(ASIS) and a vertical line from patella. Then we compared Q angle with their motor grades, illness term, and toe out angle(TOA).
Results: The average of Q angles on paralytic side was 12.85±1.30°, and the average of TOA on paralytic side was 16.87±6.60°. We discovered that Q angle decreased about 3.02±1.37° on paralytic side than on normal side. And TOA increased about 7.37±5.64° on paralytic side than on normal side. Q angle’s change(3.02±1.37°) correlated with motor grade and TOA’s change(7.37±5.64°), but correlation with illness term was not significant.
Conclusions: These results suggest that decrease of Q angle mean decrease of muscular strength of quadriceps muscles or atony state on paralytic side. And we presume that change of Q angle represents stability of lower limbs in hemiparesis.
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KEYWORD
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Hemiparesis, Quadriceps angle, Toe Out Angle
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