| Usefulness of Electronic Pressure Algometer in Evaluation of Pressure Pain Threshold in Normal Korean Adults. |
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Lee, Joong Hoon , Lee, Jae Ho , Shin, Hee Suk , Yoon, Chul Ho , Oh, Min Kyun , Kwon, Soo Hyeon |
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Department of Rehabilitation Medicine and Institute of Health Science, Gyeongsang National University College of Medicine, Korea. first985473@nate.com |
| 전자식 압력 통각계의 유용성 |
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이중훈, 이재호, 신희석, 윤철호, 오민균, 권수현 |
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경상대학교 의과대학 재활의학교실 및 건강과학연구원 |
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| Abstract |
Objective
To examine pressure pain threshold (PPT) on several skeletal muscles in upper extremity, trunk, and lower extremity by using electronic pressure algometer and to evaluate it's interrater reliability, reproducibility, difference between gender and dominance, correlation with body mass index, and comparison among each muscles.
Method
Forty healthy adults (male 27, female 13) were examined by two raters and reexamined in the same order after a rest of 10 minute. PPT at the splenius capitis, upper trapezius, infraspinatus, lumbar paraspinal muscle, extensor carpi radialis, vastus medialis, and gluteus medius muscles of both side was measured by medical electronic algometer. Rate of force application was approximately 2 lb/sec. Body mass index (BMI) was estimated from the individual's body weight by the square of their height.
Results
There were no statistical differences of PPTs at all muscles between two raters, between two test with time interval, and between dominant and nondominant side, respectively. PPT in man was higher than female at all muscles. There was significant correlation between BMI and PPT at lumbar paraspinal muscle, vastus medialis, and gluteus medius only in male. PPT was highest at lumbar paraspinal muscle and lowest at splenius capitis.
Conclusion
Electronic pressure algometer is a reliable tool for evaluation of PPT which has high interrater reliability and high reproducibility and is not affected by dominance and location of muscles. Therefore, it is a useful clinical tool to compare PPT before and after treatment and to study the mechanism of musculoskeletal pain research program. (J Korean Acad Rehab Med 2008; 32: 698-702) |
| Key Words:
Pressure pain threshold, Pressure algometer, Reliability |
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