Spine Deformity Patients With Optoelectronic Motion Capture

After marking the anatomical landmarks where later on skin markers will be placed, radiopaque markers are attached for the radiographic examination with the EOS system. Images are taken from the positions standing and sitting

"The used marker set is the IfB marker set (List et al. 2013), consisting of 40 skin markers on the lower extremities, 7 on the pelvis, 24 on the trunk and 6 on the upper extremities. For the later musculoskeletal modelling the IfB marker set is extended with 7 additional markers on the spinal thoracic processes. All markers will be placed by skilled operators.~The test procedure consists of six trials, namely a standing trial in an anatomic upright position and a calibration motion as well as four basic motion tasks to define functional estimated joint axis, respectively centers (each performed twice).~Tasks: standing, maximal flexion-extension, lateral bending, axial rotation, lifting, holding load, walking, step up, sitting and sit-to-stand"