The accuracy of joint angle measurement of the hand may be negatively influenced by joint swelling, deformation and other obstacles. We developed an alternative goniometer with clear ergonomic advantages, especially for the measurement of small joints. This new concept of goniometry is described and preliminary results on the reliability of the measurements are presented. The intraclass correlation coefficients (ICCs) and the standard error of measurements (SEMs) of the alternative goniometer are greater respectively smaller than a conventional goniometer, indicating a better intratester reliability.
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