Journal of Hand Surgery (European Volume)

 

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Journal of Hand Surgery (European Volume), Vol. 32, No. 6, 700-704 (2007)
DOI: 10.1016/J.JHSE.2007.06.019

Articles

Adapting the Fastrak® System for Three-Dimensional Measurement of the Motion of the Wrist

C. A. WIGDEROWITZ, I. SCOTT, A. JARIWALA, G. P. ARNOLD and R. J. ABBOUD

From the Department of Orthopaedics and Trauma Surgery, TORT Centre, Ninewells Hospital, Dundee, Scotland and the Institute of Motion Analysis and Research (IMAR), TORT Centre, Ninewells Hospital, Dundee, Scotland

Correspondence: Mr C. A. Wigderowitz, Senior Lecturer, Department of Orthopaedics and Trauma Surgery, TORT Centre, Ninewells Hospital, Dundee DD1 9SY, Scotland. Tel.: +13 82 425746; fax: +13 82 496200. E-mail:cawigderowitz{at}lineone.net

The Polhemus Fastrak® short-range miniature transmitter and mini-receivers allow wrist motion to be measured continually in three dimensions, registering patterns of motion, which until now were difficult to quantify. The current study aimed to determine the applicability and repeatability of the Fastrak® system when assessing wrist movements during a set protocol of activities. The device was found to be easy to use and repeatable; the Fastrak® system showed a mean error of up to 3° in all movements tested. Its assessment of range of motion correlated with the results in the literature. The Fastrakv® system was suitable for continuous registration of movements during the performance of set tasks in either of the wrists. It has the potential to be used for documentation of wrist motion in clinics for various pathologies and for assessing outcomes in wrist surgeries.

Key Words: the Fastrak® system • continuous wrist motion • three-dimensional assessment • electromagnetic goniometer • normal wrist motion • functional tasks


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