A Joint Coordinate System for the Clinical Description of Three-Dimensional Motions: Application to the Knee

This paper presents a joint coordinate system that provides a simple geometric description of the three-dimensional rotational and translational motion between two rigid bodies

E. S. Grood

2009

Scholarcy highlights

  • The experimental study of joint kinematics in three dimensions requires the description and measurement of six motion components
  • This paper presents a joint coordinate system that provides a simple geometric description of the three-dimensional rotational and translational motion between two rigid bodies
  • The coordinate system is applied to the knee and related to the commonly used clinical terms for knee joint motion
  • A convenient characteristic of the coordinate system shared by spatial linkages is that large joint displacements are independent of the order in which the component translations and rotations occur

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