Measurement of in-vivo patella kinematics using motion analysis and ultrasound (MAUS)

This paper describes a motion analysis ultrasound system (MAUS) designed for the in-vivo study of the kinematics of patellofemoral joints (PFJ) in both normal and replaced knees. This system utilises non-iodising radiation to effectively acquire kinematic data during weight-bearing activities. Validation studies on a phantom established that the measurement accuracy of the system was 1.43 mm. A clinical validation trial is included.

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