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Read through our frequently asked questions below
You can collect data without wands and still get similar results using Plug-in Gait. You can even generate a three dimensional skeleton. The origin of the wands has a little bit of history behind it, but the basic intent is the make the rotation about the long axis of the segment more obvious. A marker directly on the shank will rotate the same amount as a marker on a rod, however, the closer that a marker is to the segment the harder it is to see the rotation. On subjects with smaller segments, it may not be advisable to place the markers directly on the shank.