The Different Movement Analysis Devices Available on the Market - Kinematic Analysis of Human Movement - page 21

Currently, the main manufacturers of magnetic motion
capture systems are Ascension, Polhemus and Metamotion.

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Figure 2.3. System trakSTAR (http://www.ascension-tech.com)

Figure 2.4. Illustration ofthe Gypsy exoskeleton
(http://www.metamotion.com)

Mechanical capture functions via an exoskeleton built
around the segments to be analyzed, with each joint coupled
to an angular encoder. Knowing the relative position of each
encoder, it is possible to reconstruct the complex movement