Application of the Motion Capture System in the Biomechanical Analysis of the Injured Knee Joint

The aim of the study was to analyzed the gaits determinants and the components of the ground reaction forces in patients treated surgically with the use of arthroscopy technique due to injuries in the knee joint. For the purpose of this study, three clinical cases of people with knee joint dysfunctions were examined. The studies were carried out in a biomechanical laboratory using the BTS Smart motion capture system. From the large set of collected data, the gaits determinants and the components of the ground reaction force were taken under account. The characteristics of the parameters considered for each patient were compared. The BST Smart system allows analysis of all gait determinants and ground forces reactions, what gives many important information about state of examined patient. These data cannot be collected during classical physical examination. The obtained results indicate the tendency of unloading the lower limb operated in relation to the opposite lower limb, although the gait is normal during visual analysis.