In the 3D Perspective view, click on the marker that defines the origin of the segment you are creating.The mouse pointer changes to a cross-hair with the label Select the Origin Marker. Segment names can contain spaces, and if they are preceded by Left or Right (followed by a space), they are automatically colored appropriately if you are using the default color scheme. Enter a name for the first segment, for example Pelvis, and then click Create. In the Labeling Template Builder section, click in the Create Segments field.Go to the Subject Preparation tab of the Tools pane.In addition, any number of additional markers that do not specifically define the segment's axes can be added. Ideally, a segment should be defined by three or more markers in the following order: one to define the origin, one to define the primary axis of the segment and one to define the secondary axis. For areas of the body that have multiple segments and joints, such as the ribs and spine, it may still make sense to group them together (eg, as a thorax) as these segments can be considered to move together, although this is dependent on the exact dynamic movements to be captured. For example, if you have three markers on the shank, one at the knee joint, one half-way down the shank and one at the ankle joint, these three markers can be considered to be attached to the same segment (known as the TIBIA segment). You create the segments for your template by grouping markers that move in roughly the same way. Typical segments you might create for a human subject include the pelvis, head, femur, etc. You create segments from the markers you reconstructed previously (see Capture and reconstruct the marker set) using the Labeling Template Builder in the Subject Preparation tab of the Tools pane.
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