A reproducible method for studying three-dimensional knee kinematics.
The methods used in movement analysis often rely on the definition of joint coordinate systems permitting three-dimensional (3D) kinematics. The first aim of this research project was to present a functional and postural method (FP method) to define a bone-embedded anatomical frame (BAF) on the femur and tibia, and, subsequently, a knee joint coordinate system. The repeatability of the proposed method was also assessed. Using FP method to define the BAFs, 4 kinematic parameters (flexion/extension, abduction/adduction, tibial internal/external rotation, and antero-posterior translation) were computed for 15 subjects walking on a treadmill. The repeatability for all four kinematic parameters was then assessed, using intra- and inter-observer settings. After pooling the results for all observers, the mean repeatability value ranged between 0.4 degrees and 0.8 degrees for rotation angles and between 0.8 and 2.2 mm for translation.
Laboratoire de recherche en imagerie et orthopédie, Centre de recherche, Centre hospitalier de l'Université de Montréal (CHUM), Montréal, Canada. nicola.hagemeister@etsmtl.ca
Nicola
N
Hagemeister
Gerald
G
Parent
Maxime
M
Van de Putte
Nancy
N
St-Onge
Nicolas
N
Duval
Jacques
J
de Guise
D000293:Adolescent; D000328:Adult; D000465:Algorithms; D001696:Biomechanical Phenomena / Q000379:methods; D002138:Calibration; D005260:Female; D006801:Humans; D007089:Image Enhancement / Q000379:methods* / Q000592:standards; D007090:Image Interpretation, Computer-Assisted / Q000379:methods* / Q000592:standards; D021621:Imaging, Three-Dimensional / Q000379:methods* / Q000592:standards; D007719:Knee Joint / Q000033:anatomy & histology* / Q000502:physiology*; D008297:Male; D008875:Middle Aged; D016059:Range of Motion, Articular / Q000502:physiology*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D016138:Walking / Q000502:physiology*