| Popis: |
Translations of the femoral head with respect to the acetabular cup, in non-impinging zones, was investigated using surgical navigation methods. An ex-vivo study was conducted on five fresh-frozen human cadaver pelvises in distinct dissection states. Each specimen underwent a series of motions that included combinations of abduction/adduction, flexion/extension and internal/external rotations, repeated in four soft-tissue states: soft tissues intact; partially dissected with capsule intact; Z-shaped capsulotomy; and fully dissected and disarticulated. The data showed significant increases of excursions (p |
