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The aim of this study is to accurately assess the relationship between knee joint kinematics and migration of the tibial component of a high congruent, rotating platform total knee prosthesis by using fluoroscopy synchronised in time and space with a force plate, an external motion registration system and Electromyography (EMG).
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| Measure | Description | Time Frame |
|---|---|---|
| Migration | Roentgen stereophotogrammetric analysis is used to determine the migration of the prosthesis with respect to the bone. | 24 months post-operatively |
| Measure | Description | Time Frame |
|---|---|---|
| anterior-posterior translation patterns | Fluoroscopy was used to determine the anterior-posterior translation patterns of the femoral component with respect to the tibial component. | 6 months post-operatively |
| Axial rotation patterns |
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Inclusion Criteria:
Exclusion Criteria:
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primary care clinic
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| Name | Affiliation | Role |
|---|---|---|
| Rob GH Nelissen, Prof, MD | Leiden University Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Leiden University Medical Center | Leiden | 2300RC | Netherlands |
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| ID | Term |
|---|---|
| D001172 | Arthritis, Rheumatoid |
| ID | Term |
|---|---|
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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Fluoroscopy was used to determine the axial rotation patterns of both the insert and the femoral component with respect to the tibial component
| 6 months post-operatively |
| Muscle activity | Bipolar surface EMG data of the flexor and extensor muscles is collected. | 6 months post-operatively |
| Shear forces | A force plate is used to measure the ground reaction forces which can be used to calculate the shear forces. | 6 months post-operatively |
| D003240 |
| Connective Tissue Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |