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Lawrence L Buchan, Honglin Zhang, Sujith Konan, Ingrid Heaslip, Charles R Ratzlaff, David R Wilson
Open MRI in functional positions has potential to directly and non-invasively assess cam femoroacetabular impingement (FAI). Our objective was to investigate whether open MRI can depict intrusion of the cam deformity into the intra-articular joint space, and whether intrusion is associated with elevated acetabular contact force. Cadaver hips (9 cam; 3 controls) were positioned in an anterior impingement posture and imaged using open MRI with multi-planar reformatting. The β-angle (describing clearance between the femoral neck and acetabulum) was measured around the entire circumference of the femoral neck...
February 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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