Factors Affecting Appearance Patterns of Hip-Flexion Contractures and their Effects on Postural and Gait Abnormalities

概要

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Hip flexion contractures accompanying various orthopedic and neurologic conditions not only limits the physical activities of the patients but also distorts their postures and gait patterns. The purposes of this study were to characterize the appearance patterns of flexion contracture at the hip joints and to elucidate how this disability affects their postural and gait abnormalities. Seventy-eight patients (mean age of 68.1 +/- 10.5 years) with hemiplegia, femoral neck fractures, osteoarthritis of the hip and other conditions causing hip flexion contractures were studied. The presence and degree of hip flexion contracture were estimated in the supine position using the Thomas maneuver with a goniometer. Relationship between appearance patterns and 12-survey variables was also analyzed statistically. As a result, it was revealed that whether lack of mobility caused by hip flexion contracture was compensated for by pelvic tilt an an increase of lumbar lordosis or not was affected by four factors. It was also revealed that whether it appeared unilaterally or bilaterally was affected by five factors. In addition, some postural and gait abnormalities caused by hip flexion contracture were observed in many patients. These results suggest that clinical pictures of the patient's posture and gait abnormality depend on his ability to regulate the position of the trunk and knees as well as the mobility of his spine.
神戸大学の論文