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Graphical presentation of the range of hip and knee rotations for clinical evaluation of gait

Authors
  • Cheng, Pei Lai
  • Pearcy, Mark J.
Publication Date
Jan 01, 2001
Source
Queensland University of Technology ePrints Archive
Keywords
License
Unknown
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Abstract

Objective. This paper reports a method of using a multi-axis graph to represent the range of rotations at the hip and knee joints during gait for clinical evaluation of a patient's performance. Design and methods. The multi-axis graph uses 12 symmetrically arranged axes to represent each component of range of rotations at the hip and knee joints of both legs. The range of joint rotations of thirteen normal subjects and two patients were measured using an electromagnetic motion tracking system with four foot switches. Results. The range of joint rotations of normal subjects shows a symmetrical star in the multi-axis graph. Abnormal function of a patient shows an asymmetrical star. Conclusions. This representation provides a simple way to examine a patient's performance in a time effective manner. Relevance In clinical practice, the multi-axis representation of joint rotations can be used as an initial evaluation of a patient's performance to identify problems for further investigation.

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