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Abnormal movements of human joints can initiate degenerative processes by altering mechanical stresses on soft tissues and articular surfaces. We have developed a dual X-ray fluoroscopic imaging system to measure accurate three-dimensional joint kinematics in patients. We use this system to understand abnormal joint movements and subsequent changes following surgical interventions.
Our high-speed robotic dual X-ray fluoroscopy system tracks a target joint, such as the knee or ankle, and captures continuous X-ray (fluoroscopic) images at 100 Hz while a subject walks on a treadmill. The captured continuous biplanar images are processed using our 3D-to-2D registration and statistical skeletal modeling techniques to reconstruct the three-dimensional skeletal motion of the joint, enabling us to analyze both healthy and pathological joint movements.
Mobile Robotic X-Ray Imaging System for Dynamic Skeletal Imaging
Natural Skeletal Kinematics of Knee, Ankle, and Foot Joints During Walking
Abnormal Joint Motions Induced by Musculoskeletal Injuries
Effects of Surgical Treatments on Joint Kinematics
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