3D 姿势平衡与重力线：93 例患者和 23 名无症状志愿者的横断平面评估。
3D postural balance with regard to gravity line: an evaluation in the transversal plane on 93 patients and 23 asymptomatic volunteers.
机构信息
Laboratoire de Biomecanique Arts et Metiers ParisTech CNRS, 151 Boulevard de l'Hopital, 75013, Paris, France.
出版信息
Eur Spine J. 2010 May;19(5):760-7. doi: 10.1007/s00586-009-1249-5. Epub 2009 Dec 25.
Abstract
Relevance of posture assessment has been reported in case of spine disorders. This study explores the interest in quantifying posture using 3D reconstruction from biplanar X-rays in free standing position and a force plate. 93 patients consulting for spine disorders were divided ('3D deformity', 'sagittal imbalance' and 'mild deformity') and compared with 23 asymptomatic volunteers. Registration of the gravity line (GL) in reconstruction yielded transversal position of the center of acoustic meati (CAM) T1, T4, T9, L3, S1 and hip axis (HA) with regard to GL. Transversal position of CAM and L3 appeared as relevant parameters to discriminate patients from volunteers. Sagittal inclination of the axis linking the CAM to HA was correlated with position of the CAM to GL (r = 0.92 for patients). In conclusion, observing posture in 3D with regard to GL provides clinical relevant information. CAM-HA inclination may improve postural evaluation without force plate.
摘要
姿势评估在脊柱疾病的情况下具有相关性。本研究探讨了使用三维重建从双平面 X 射线和力板在自由站立位定量评估姿势的意义。93 名因脊柱疾病就诊的患者被分为（“3D 畸形”、“矢状面失衡”和“轻度畸形”），并与 23 名无症状志愿者进行比较。重力线（GL）在重建中的注册产生了 T1、T4、T9、L3、S1 和髋关节轴（HA）相对于 GL 的横向位置。CAM 和 L3 的横向位置似乎是区分患者和志愿者的相关参数。连接 CAM 到 HA 的轴线的矢状倾斜与 CAM 到 GL 的位置相关（患者为 r = 0.92）。总之，观察 GL 方向的三维姿势提供了具有临床意义的信息。CAM-HA 倾斜度可能无需力板即可改善姿势评估。
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