tailieunhanh - Báo cáo khoa hoc:" Validity of gait parameters for hip flexor contracture in patients with cerebral palsy"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Validity of gait parameters for hip flexor contracture in patients with cerebral palsy | Choi et al. Journal of NeuroEngineering and Rehabilitation 2011 8 4 http content 8 1 4 Hill JOURNAL OF NEUROENGINEERING NCR AND REHABILITATION RESEARCH Open Access Validity of gait parameters for hip flexor contracture in patients with cerebral palsy 1 2 2 2 3 2 Sun Jong Choi Chin Youb Chung Kyoung Min Lee Dae Gyu Kwon Sang Hyeong Lee Moon Soek Park Abstract Background Psoas contracture is known to cause abnormal hip motion in patients with cerebral palsy. The authors investigated the clinical relevance of hip kinematic and kinetic parameters and 3D modeled psoas length in terms of discriminant validty convergent validity and responsiveness. Methods Twenty-four patients with cerebral palsy mean age years and 28 normal children mean age years were included. Kinematic and kinetic data were obtained by three dimensional gait analysis and psoas lengths were determined using a musculoskeletal modeling technique. Validity of the hip parameters were evaluated. Results In discriminant validity maximum psoas length effect size r maximum pelvic tilt maximum hip flexion in late swing maximum hip extension in stance and hip flexor index showed favorable discriminant ability between the normal controls and the patients. In convergent validity maximum psoas length was not significantly correlated with maximum hip extension in stance in control group whereas it was correlated with maximum hip extension in stance r p in the patients group. In responsiveness maximum pelvic tilt p maximum hip extension in stance p maximum psoas length p and hip flexor index p showed significant improvement post-operatively. Conclusions Maximum pelvic tilt maximum psoas length hip flexor index and maximum hip extension in stance were found to be clinically relevant parameters in evaluating hip flexor contracture. Background Hip flexion deformity or spasticity is a cause of the abnormal gait observed in .

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