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Increased Femoral Anteversion Is not Associated with Internal Hip Rotation Gait in Cerebral Palsy

Research Article

Article Title: Increased Femoral Anteversion Is not Associated with Internal Hip Rotation Gait in Cerebral Palsy

Author: Christoph J Reichlin, Stefan Thomas, Reinald Brunner and Erich Rutz*

Published Date: November 14, 2019

DOI: 10.26717/BJSTR.2019.22.003821

Abstract:

Internal rotation gait (IRG) is a common problem in children with cerebral palsy and increased femoral anteversion (FAV) is assumed to be a main cause. Therefore, femoral derotation osteotomy (FDO) is the current standard to restore regular angles (foot in direction to gait). The purpose of this study was to investigate if there is a correlation between FAV and IRG during stance phase. Clinical, radiological and 3D-gait analysis of 37 patients (24 boys, 13 girls, mean age 14.1 ± 3.2 years) showed no correlation between hip internal rotation (HIR) and real femoral anteversion (rFAV) during gait in cerebral palsy (CP). We consider other factors like indirect effects resulting from spastic equinus and/or dynamic factors of muscles to be considered as cause of hip internal rotation gait. Furthermore, it is shown that measured FAV in clinical examination (cFAV) did not correlate with the radiologically measured rFAV by standardized anteroposterior pelvic radiographs and the Dunn projection.