visual3d:documentation:modeling:marker_sets:pig_ll_original
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visual3d:documentation:modeling:marker_sets:pig_ll_original [2024/07/03 17:38] – created sgranger | visual3d:documentation:modeling:marker_sets:pig_ll_original [2024/07/17 15:45] (current) – created sgranger | ||
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Since there are variations of the conventional gait model, decisions must be made prior to marker placement and data collection. The diagram below lays out some of the decisions based on body segment. This is not comprehensive since many variations exist. The following sections describe the conventional gait model marker placement locations and challenges based on these options. | Since there are variations of the conventional gait model, decisions must be made prior to marker placement and data collection. The diagram below lays out some of the decisions based on body segment. This is not comprehensive since many variations exist. The following sections describe the conventional gait model marker placement locations and challenges based on these options. | ||
- | {{Conventional_gait_model_decisions1.png}} | + | {{:Conventional_gait_model_decisions1.png}} |
In the case of the Plug-In Gait, the decisions have already been made for option 2(c), 4(b) and 5(b). Using Visual3D, it is possible to opt for different model decisions if needed or relevant. This would however not be consistent with the Plug-In Gait's implementation per se. | In the case of the Plug-In Gait, the decisions have already been made for option 2(c), 4(b) and 5(b). Using Visual3D, it is possible to opt for different model decisions if needed or relevant. This would however not be consistent with the Plug-In Gait's implementation per se. | ||
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== Four Marker Set Pelvis == | == Four Marker Set Pelvis == | ||
- | {{PelvisPiG4.png}} | + | {{:PelvisPiG4.png}} |
RIAS , LIAS= Right Ilium Anterior Superior (Anterior Superior Iliac Spine) | RIAS , LIAS= Right Ilium Anterior Superior (Anterior Superior Iliac Spine) | ||
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== Three Marker Set Pelvis == | == Three Marker Set Pelvis == | ||
- | {{PelvisPiG3.png}} | + | {{:PelvisPiG3.png}} |
RIAS , LIAS= Right Ilium Anterior Superior (Anterior Superior Iliac Spine) | RIAS , LIAS= Right Ilium Anterior Superior (Anterior Superior Iliac Spine) | ||
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=== Upper Leg Markers === | === Upper Leg Markers === | ||
- | {{ThighPiG.png}} | + | {{:ThighPiG.png}} |
RHJC, LHJC = Hip joint center | RHJC, LHJC = Hip joint center | ||
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=== Lower Leg Markers === | === Lower Leg Markers === | ||
- | {{ShankPiG.png}} | + | {{:ShankPiG.png}} |
RKJC, LKJC = Knee Joint Center | RKJC, LKJC = Knee Joint Center | ||
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See [[Visual3D: | See [[Visual3D: | ||
- | {{FootPiG.png}} | + | {{:FootPiG.png}} |
RAJC, LAJC = Ankle Joint Center | RAJC, LAJC = Ankle Joint Center | ||
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- From the **Model** menu, select **Create (Add Static Calibration File)**\\ | - From the **Model** menu, select **Create (Add Static Calibration File)**\\ | ||
- | {{tutorial1_2.jpg}}\\ | + | {{:tutorial1_2.jpg}}\\ |
- Select **Hybrid Model from C3DFile** | - Select **Hybrid Model from C3DFile** | ||
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=== Pelvis === | === Pelvis === | ||
- | {{PelvisPiG3.png}} | + | {{:PelvisPiG3.png}} |
- | {{PelvisPiG4.png}} | + | {{:PelvisPiG4.png}} |
RASI, LASI = Right Ilium Anterior Superior (Anterior Superior Iliac Spine) | RASI, LASI = Right Ilium Anterior Superior (Anterior Superior Iliac Spine) | ||
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- From the **Segment Type** box, select //Coda.// | - From the **Segment Type** box, select //Coda.// | ||
- Click **Create.**\\ | - Click **Create.**\\ | ||
- | {{CODA_pelvis1.jpg}}\\ | + | {{:CODA_pelvis1.jpg}}\\ |
\\ | \\ | ||
- A dialogue box labeled **Enter Body Mass and Height** will open because Visual3D needs the subject to be assigned a mass and a height. For this example, Enter //75// kg and //1.76// m, and click **OK.**\\ | - A dialogue box labeled **Enter Body Mass and Height** will open because Visual3D needs the subject to be assigned a mass and a height. For this example, Enter //75// kg and //1.76// m, and click **OK.**\\ | ||
- | {{26_weight.jpg}}\\ | + | {{:26_weight.jpg}}\\ |
\\ | \\ | ||
- A dialogue box labeled **CODA Segment Markers** will open. Select the markers so that they correspond to the figure below. Click **Close.**\\ | - A dialogue box labeled **CODA Segment Markers** will open. Select the markers so that they correspond to the figure below. Click **Close.**\\ | ||
**Note: as shown in the figure above, the SCRM marker (or Landmark) is used for both //R.PSIS// and // | **Note: as shown in the figure above, the SCRM marker (or Landmark) is used for both //R.PSIS// and // | ||
- | {{PiGPelvisMarkers.png}}.\\ | + | {{:PiGPelvisMarkers.png}}.\\ |
\\ | \\ | ||
** | ** | ||
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**While these metrics are saved in the //Model Template// (.mdh) file, their values should be updated for each patient, to reflect patient specific measurements.** | **While these metrics are saved in the //Model Template// (.mdh) file, their values should be updated for each patient, to reflect patient specific measurements.** | ||
- | {{PiGRight_Leg_Length.png}} | + | {{:PiGRight_Leg_Length.png}} |
\\ | \\ | ||
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=== Thigh Segment === | === Thigh Segment === | ||
- | {{ThighPiG.png}} | + | {{:ThighPiG.png}} |
RHJC, LHJC = Hip joint center | RHJC, LHJC = Hip joint center | ||
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Once the Hip Joint Centers have been created, the thigh segments can now be defined. | Once the Hip Joint Centers have been created, the thigh segments can now be defined. | ||
- | {{PiGThigh.png}} | + | {{:PiGThigh.png}} |
From the **Segment Name** list, select //Right Thigh//\\ | From the **Segment Name** list, select //Right Thigh//\\ | ||
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- Check the **Kinematic Only** box | - Check the **Kinematic Only** box | ||
- Click **Create.**\\ | - Click **Create.**\\ | ||
- | {{HH_KAD_segment1.jpg}}\\ | + | {{:HH_KAD_segment1.jpg}}\\ |
- A dialogue box labeled **Helen Hayes/ | - A dialogue box labeled **Helen Hayes/ | ||
- | {{HH_KAD_segment_markers1.jpg}}\\ | + | {{:HH_KAD_segment_markers1.jpg}}\\ |
- Click **Build Model** to build the segment. You should now see the KAD segment coordinate system on your standing model. If you do not see the KAD coordinate system after clicking **Build Model**, double check the values you entered in the last step.\\ | - Click **Build Model** to build the segment. You should now see the KAD segment coordinate system on your standing model. If you do not see the KAD coordinate system after clicking **Build Model**, double check the values you entered in the last step.\\ | ||
- | {{HH_KAD_segments.jpg}}\\ | + | {{:HH_KAD_segments.jpg}}\\ |
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The Subject Data/ | The Subject Data/ | ||
- | {{HH_Subject_Data_Metrics_KAD_All1.jpg}} | + | {{:HH_Subject_Data_Metrics_KAD_All1.jpg}} |
= Create Thigh Segments = | = Create Thigh Segments = | ||
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You should now see a thigh segment on your standing model. If you do not see the thigh segment after clicking Build Model, double check the values you entered in the last step.\\ | You should now see a thigh segment on your standing model. If you do not see the thigh segment after clicking Build Model, double check the values you entered in the last step.\\ | ||
- | {{HH_KAD_Thigh_segment1.jpg}} | + | {{:HH_KAD_Thigh_segment1.jpg}} |
To create the left thigh segment: | To create the left thigh segment: | ||
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- Click on **Build Model** | - Click on **Build Model** | ||
- | {{HH_KAD_Thigh_segment_all.jpg}} | + | {{:HH_KAD_Thigh_segment_all.jpg}} |
=== Shank Segment === | === Shank Segment === | ||
- | {{ShankPiG.png}} | + | {{:ShankPiG.png}} |
RKJC, LKJC = Knee joint center | RKJC, LKJC = Knee joint center | ||
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First the Knee Joint Centers need to be created: | First the Knee Joint Centers need to be created: | ||
- | {{PiG_RKJC.png}} | + | {{:PiG_RKJC.png}} |
In the Landmarks tab, click on **Add New Landmark**. | In the Landmarks tab, click on **Add New Landmark**. | ||
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= Defining the Shank Segments = | = Defining the Shank Segments = | ||
- | {{PiGShank.png}} | + | {{:PiGShank.png}} |
From the **Segment Name** list, select //Right Shank//\\ | From the **Segment Name** list, select //Right Shank//\\ | ||
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=== Foot Segments === | === Foot Segments === | ||
- | {{FootPiG.png}} | + | {{:FootPiG.png}} |
RAJC, LAJC = Ankle Joint Center | RAJC, LAJC = Ankle Joint Center | ||
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First the Ankle Joint Centers need to be created: | First the Ankle Joint Centers need to be created: | ||
- | {{PiG_RAJC.png}} | + | {{:PiG_RAJC.png}} |
In the Landmarks tab, click on **Add New Landmark**. | In the Landmarks tab, click on **Add New Landmark**. | ||
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= Defining the Foot Segments = | = Defining the Foot Segments = | ||
- | {{PiGFoot.png}} | + | {{:PiGFoot.png}} |
From the **Segment Name** list, select //Right Foot//\\ | From the **Segment Name** list, select //Right Foot//\\ | ||
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= Defining the Virtual Foot Segments = | = Defining the Virtual Foot Segments = | ||
- | {{PiGVFoot.png}} | + | {{:PiGVFoot.png}} |
In the **Segment Name** list, enter //Right Virtual Foot//\\ | In the **Segment Name** list, enter //Right Virtual Foot//\\ | ||
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- | {{PiGRotateRMF.png}} | + | {{:PiGRotateRMF.png}} |
==== Export to Vicon Polygon ==== | ==== Export to Vicon Polygon ==== |
visual3d/documentation/modeling/marker_sets/pig_ll_original.1720028310.txt.gz · Last modified: 2024/07/03 17:38 by sgranger