Witte H, Eckstein F, Recknagel S
DFG-Innovationskolleg 'Bewegungssysteme', Institut für Spezielle Zoologie und Evolutionsbiologie, FSU Jena, Deutschland.
Acta Anat (Basel). 1997;160(4):269-80. doi: 10.1159/000148021.
Information about the loading of the human acetabulum during walking is necessary for a functional understanding of the morphology of the pelvic girdle and the hip joint as well as for the optimization of endoprosthetic therapy in osteoarthritis. For this purpose, experimental data of the forces acting on the femur in walking taken from the literature [Bergmann et al.: J. Biomech. 1993;26: 969-990] were combined with our own kinematic and morphometric data, to transform the force vectors from the femoral into a pelvic and an acetabular frame. During the walking cycle, the resultant force vector takes a rather constant course relative to the pelvis and its orientation seems to be highly regulated to act within a small range of angles. Only small deviations occur from the angles against the vertical which the resultant peak force forms in the frontal plane (F = 11 degrees, medially orientated) and in the sagittal plane (S = 5 degrees, ventrally orientated). The experimental results form the basis for a model of the incongruous hip joint as an elastic joint, the femoral head being centered between compliant elements.
了解人类行走过程中髋臼的受力情况，对于从功能角度理解骨盆带和髋关节的形态，以及优化骨关节炎的人工关节置换治疗至关重要。为此，我们将从文献[Bergmann等人：《生物力学杂志》，1993年；26卷：969 - 990页]中获取的行走时作用于股骨的力的实验数据，与我们自己的运动学和形态测量数据相结合，将来自股骨的力矢量转换到骨盆和髋臼坐标系中。在行走周期中，合力矢量相对于骨盆的轨迹相当恒定，其方向似乎受到高度调节，作用于一个小角度范围内。合力峰值力在额状面（F = 11度，向内）和矢状面（S = 5度，向前）相对于垂直方向形成的角度仅有微小偏差。实验结果为一个不协调髋关节的弹性关节模型奠定了基础，其中股骨头位于柔性元件之间的中心位置。
