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Human motion analysis has numerous applications ranging from gait analysis to prosthetic manufacturing. Amongst various techniques, use of retroreflective markers placed on skin to estimate the underlying bone movement is well established. Most commonly used movement types such as flexion, abduction and circumduction often suffer from measurement errors due to displacement of markers placed on skin...
The hip joint center (HJC) location is required for calculation of hip kinematics in various applications. The functional method utilizes the movement of femur with respect to acetabulum to find the location of the center. A popular way for measuring this movement is through an optical motion capture system. This method is fast and economical for most applications where we require an instant HJC even...
Functional hip joint center (HJC) calculation involves recording movements of femur relative to acetabulum through markers placed on skin around thigh and pelvis. This non-invasive method of finding hip joint center involves either fitting a geometric sphere onto marker trajectories or coordinate transformation techniques which find the point with least movement in local frame with respect to global...
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