지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 297 - 301 (5page)
이용수
초록· 키워드
오류제보하기
purpose: The purpose of this study was to investigate the impact of varying knee flexion and quadriceps activity on patellofemoral indices measured on magnetic resonance imaging (MRI).Materials and Methods: MRI of the knee was performed in 20 patients for indications other than patellar or patellofemoral pathology. Axial and sagittal sequences were performed in full extension of the knee with the quadriceps relaxed, full extension of the knee with the quadriceps contracted, 30° flexion of the knee with the quadriceps relaxed, and 30° flexion with the quadriceps contracted. Bisect offset, patella tilt angle, Insall-Salvati ratio and Caton-Deschamps index were measured.results: With the knee flexed to 30° and quadriceps relaxed, the mean values of patellar tilt angle, bisect offset, Insall-Salvati ratio and Caton-Deschamps index were all within normal limits. With the knee extended and quadriceps contracted, the mean patellar tilt angle (normal value, <15°) was 14.6° and the bisect offset (normal value, <65%) was 65%, while the Caton-Deschamps index was 1.34 (normal range, 0.6 to 1.3). With the knee extended and quadriceps relaxed, the mean Caton-Deschamps index was 1.31.conclusions: MRI scanning of the knee in extension with the quadriceps contracted leads to elevated patellofemoral indices. MRI taken with the knee in 30° of flexion allows more reliable assessment of the patellofemoral joint and minimises the confounding effect of quadriceps contraction.
목차
등록된 정보가 없습니다.
참고문헌 (30)
참고문헌 신청
Heron C / 2003 / Imaging of the knee / Springer-Verlag :50~54
Biyani R / 2014 / Anatomical factors influencing patellar tracking in the unstable patellofemoral joint / Knee Surg Sports Traumatol Arthrosc 22:2334~2341
Charles MD / 2013 / Magnetic resonance imaging-based topographical differences between control and recurrent patellofemoral instability patients / Am J Sports Med 41:374~384
Colvin AC / 2008 / Patellar instability / J Bone Joint Surg Am 90:2751~2762
Dejour D / 2013 / The introduction of a new MRI index to evaluate sagittal patellofemoral engagement / Orthop Traumatol Surg Res 99(8 Suppl):S391~S398
Biyani R / 2014 / Anatomical factors influencing patellar tracking in the unstable patellofemoral joint / Knee Surg Sports Traumatol Arthrosc 22:2334~2341
Charles MD / 2013 / Magnetic resonance imaging-based topographical differences between control and recurrent patellofemoral instability patients / Am J Sports Med 41:374~384
Colvin AC / 2008 / Patellar instability / J Bone Joint Surg Am 90:2751~2762
Dejour D / 2013 / The introduction of a new MRI index to evaluate sagittal patellofemoral engagement / Orthop Traumatol Surg Res 99(8 Suppl):S391~S398
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