The primary intent of anatomical knee implants is to replicate the motions of a normal knee joint. In developing such designs, a preclinical evaluation of kinematic behavior is needed. In vitro testing method for recording movements of the knee joint in which a novel testing jig was developed and incorporated into a knee simulator setup alongside a motion capture system to directly track the medial and lateral movements of a knee prosthesis. The test system developed in this study required a number of factors to be validated; (i) gait inputs to the knee simulator (result: 0.37–1.575% error), (ii) validity of global coordinate system in the motion capture system, (iii) the position of flexion facet centers (FFCs) detected by the motion capture system (result: a maximum error of 0.08 mm in AP direction and 0.3 mm in SI direction), (iv) local coordinate system in the motion capture system (result: 1.09% error for the measurement of flexion angle), (v) that FFC results were in good agreement with inputs. In conclusion, the system developed for recording FFC is a direct and reliable in vitro test method for analyzing the kinematics of a knee prosthesis.

Journal of Orthopedic Oncology offers information in all aspects of primary, malignant tumors. Osteosarcoma, Ewing's sarcoma, chondrosarcoma, chordoma, and soft tissue sarcomas etc., it also deals with diagnostic methods, therapeutic approaches, clinical, laboratory research and reconstructive techniques.

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Journal Considers Research article, Review articles, editorial, letter, case reports, short communications, original articles from leading scientists and scholars around the world in all areas of related to Malignantosteoid, Multilobular tumour of bone, Chondrosarcoma, Chordoma, Osteosarcoma, Ewing's sarcomaetc., which come under the scope of the journal.

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Journal of Orthopedic Oncology

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