Interferência do alinhamento na performance biomecânica do joelho durante a marcha em pacientes com osteoartrite
DOI:
https://doi.org/10.11606/issn.2317-0190.v3i1a101989Keywords:
Biomechanics, Gait, Knee, Osteoarthritis, Joint AngleAbstract
Eleven osteoarthritic elderly subjects were tested to analyze the relationships between static radiographic alignment and dynamic kinematic and kinetic measures at the knee in gait. A standard precision radiograph procedure (QPR) was used to measure the static lower limb alignment and a 3D optoelectronic system was used to measure the biomechanical performance of the knee in level walking. Relationships were calculated between the static radiographic angular measures and the dynamic knee angular measures, and dynamic knee moments during gait. A closer relationship was observed between QPR parameters, dynamic knee joint angles, and joint moments in gait, implying that complex interrelationships may exist between static alignment, dynamic alignment, and dynamic kinetic measures. These findings suggest that the static alignment associated with both the kinematic and kinetic measures should be combined to better explain the biomechanical changes at the knee joint. Relevance values for radiograph alignment and dynamic variables obtained during walking for a group of elderly subjects with moderate osteoarthritis are provided. The findings indicate that both the coronal and sagittal plane measures were associated with the magnitude of joint moments, joint angles, and timing of the events.
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