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--- visual3d:documentation:modeling:functional_joints:example_-_functional_knee [2024/07/17 15:45] – created sgranger
+++ visual3d:documentation:modeling:functional_joints:example_-_functional_knee [2025/07/30 18:55] (current) – sgranger
@@ Line 1: / Line 1: @@
 ====== Example - Functional Knee ======
-\\
+When defining the functional knee joint, the calculation defines the axis of rotation, but not the location on the axis. \\
-When defining the functional knee joint, the calculation defines the axis of rotation, but not the location on the axis.\\
+Two additional landmarks (RKneMed & LKneMed) must be created off the position of the mediolateral knee targets. \\
-\\
+[[https://www.has-motion.com/download/FunctionalJoints.zip|Sample files]] for this tutorial may be downloaded. \\
-Two additional landmarks (RKneMed & LKneMed) must be created off the position of the mediolateral knee targets.\\
-\\
-[[https://www.has-motion.com/download/FunctionalJoints.zip|Sample files]] for this tutorial may be downloaded.\\
+) This tutorial will use the **Static.c3d** and **Functional Knee.c3d** files. \\
+) The Functional Hip.c3d file is used for the [[Visual3D:Documentation:Modeling:Functional_Joints:Example_-_Functional_Hip|Functional Hip Tutorial]]. \\
+) FunctionalJoints_Hip_Knee.cmo contains a static trial with both the functional hip and knee defined. \\
-) This tutorial will use the **Static.c3d** and **Functional Knee.c3d** files.\\
+**The calculation of functional joints is described [[Visual3D:Documentation:Modeling:Functional_Joints:Functional_Joints|here]].** \\
-) The Functional Hip.c3d file is used for the [[Visual3D:Documentation:Modeling:Functional_Joints:Example_-_Functional_Hip|Functional Hip Tutorial]].\\
-) FunctionalJoints_Hip_Knee.cmo contains a static trial with both the functional hip and knee defined.\\
-\\
-**The calculation of functional joints is described [[Visual3D:Documentation:Modeling:Functional_Joints:Functional_Joints|here]].**\\
 ===== Load Static Trial =====
-|1. From the **Model** menu, select **Create -> Hybrid Model from C3D file.**\\ \\ 2. A dialog titled **Select the calibration file for the new model** will appear;\\ \\ \\ Select //Static.c3d// Click **Open.**  |  {{:CreateStatic.jpg}}|
+|1. From the **Model** menu, select **Create -> Hybrid Model from C3D file.** \\ 2. A dialog titled **Select the calibration file for the new model** will appear; \\ Select //Static.c3d// Click **Open.** | {{:CreateStatic.jpg}}|
 ===== Create Functional Joint =====
-|1. On the **Landmarks** tab:\\ \\ 1. Select the **Functional** tab  |  {{:FunctionalTab.jpg}}|
+|1. On the **Landmarks** tab: \\ 1. Select the **Functional** tab | {{:FunctionalTab.jpg}}|
 ==== Create Right Functional Joint ====
-|1. On the **Landmarks** tab:\\ \\ 1. Select the **Functional** tab\\ \\ 2. From the **Functional Joint Name** box, select //F_RKNEE.//\\ \\ 3. Click **Create.**  |  {{:Create_F_RKNEE.jpg}}|
+|1. On the **Landmarks** tab: \\ 1. Select the **Functional** tab \\ 2. From the **Functional Joint Name** box, select //F_RKNEE.// \\ 3. Click **Create.** | {{:Create_F_RKNEE.jpg}}|
-|2. **Select tracking targets for the F_RKNEE:**\\ \\ |   **Tracking Segment/Targets**\\    Select **Use Tracking Targets** (ctrl-click to multi select)\\      //RTHI1//, //RTHI2//, //RTHI3//, //RTHI4//\\ \\ \\    **Other Segment/Targets:**\\    Select **Use Other Targets** (ctrl-click to multi select)\\      //RTIB1//, //RTIB2//, //RTIB3//, //RTIB4//\\ ||\\ \\ Click on **Close Tab** before proceeding.  |  {{:Define_F_RKNEE.jpg}}|
+|2. **Select tracking targets for the F_RKNEE:** \\ **Tracking Segment/Targets** \\ Select **Use Tracking Targets** (ctrl-click to multi select) \\ //RTHI1//, //RTHI2//, //RTHI3//, //RTHI4// \\ **Other Segment/Targets:** \\ Select **Use Other Targets** (ctrl-click to multi select) \\ //RTIB1//, //RTIB2//, //RTIB3//, //RTIB4// Click on **Close Tab** before proceeding. | {{:Define_F_RKNEE.jpg}}|
 ==== Create Left Functional Joint ====
-|1. On the **Landmarks** tab:\\ \\ 1. Select the **Functional** tab\\ \\ 2. From the **Functional Joint Name** box, select //F_LKNEE.//\\ \\ 3. Click **Create.**  |  {{:Create_F_LKNEE.jpg}}|
+|1. On the **Landmarks** tab: \\ 1. Select the **Functional** tab \\ 2. From the **Functional Joint Name** box, select //F_LKNEE.// \\ 3. Click **Create.** | {{:Create_F_LKNEE.jpg}}|
-|2. **Select tracking targets for the F_LKNEE:**\\ \\ |   **Tracking Segment/Targets**\\    Select **Use Tracking Targets** (ctrl-click to multi select)\\      //LTHI1//, //LTHI2//, //LTHI3//, //LTHI4//\\ \\ \\    **Other Segment/Targets:**\\    Select **Use Other Targets** (ctrl-click to multi select)\\      //LTIB1//, //LTIB2//, //LTIB3//, //LTIB4//\\ ||\\ \\ Click on **Close Tab** before proceeding.  |  {{:Define_F_LKNEE.jpg}}|
+|2. **Select tracking targets for the F_LKNEE:** \\ **Tracking Segment/Targets** \\ Select **Use Tracking Targets** (ctrl-click to multi select) \\ //LTHI1//, //LTHI2//, //LTHI3//, //LTHI4// \\ **Other Segment/Targets:** \\ Select **Use Other Targets** (ctrl-click to multi select) \\ //LTIB1//, //LTIB2//, //LTIB3//, //LTIB4// \\ Click on **Close Tab** before proceeding. | {{:Define_F_LKNEE.jpg}}|
 ===== Model Builder Advanced Post Processing =====
-|1. Select the **Post Processing** button from the menu (image below)\\ \\ {{:ModelBuilderAdvancedPostProcessing_Button.jpg}}\\ \\ 2. Select the **Functional Joints** tab from the dialog box (image on right)\\   |  {{:MBAPP_F_KNEE.jpg}}|
+|1. Select the **Post Processing** button from the menu (image below) \\ {{:ModelBuilderAdvancedPostProcessing_Button.jpg}} \\ 2. Select the **Functional Joints** tab from the dialog box (image on right) \\ |  {{:MBAPP_F_KNEE.jpg}}|
-|3. **Open functional movement file:**\\ \\ 1. Select the **Add Motion File From Disk**\\ \\ 2. **Browse** to functional movement file, select //Functional Knee.c3d//\\ \\ 3. Click **Open**\\ \\ 4. **Select** the motion file by clicking on the trial, this will highlight the trial in **blue**.\\ \\ \\   |  {{:MBAPP_SelectMotionFile_KNEE.jpg}}|
+|3. **Open functional movement file:** \\ 1. Select the **Add Motion File From Disk** \\ 2. **Browse** to functional movement file, select //Functional Knee.c3d// \\ 3. Click **Open** \\ 4. **Select** the motion file by clicking on the trial, this will highlight the trial in **blue**. \\ | {{:MBAPP_SelectMotionFile_KNEE.jpg}}|
-\\
-**NOTE:** Once the trial has been selected, the name of the trial will be highlighted and the movement file will appear in 3D viewer.\\
-\\
+**NOTE:** Once the trial has been selected, the name of the trial will be highlighted and the movement file will appear in 3D viewer.
 ==== Define F_RKNEE Start and End of motion ====
-|1. Select the **START** frame of the right functional movement\\ \\ 1. **Select F_RKNEE**, this will highlight the joint in **blue**\\ \\ 2. Using the **slider** (seen below), select the START frame of the right functional movement. //Set the Start Frame to 241//\\ \\ {{:MBAPP_F_RKNEE_START_slider.jpg}}\\ \\ \\ 3. Click **Set START Event to Current Frame**\\ \\ \\   |  {{:MBAPP_F_RKNEE_START.jpg}}|
+|1. Select the **START** frame of the right functional movement \\ 1. **Select F_RKNEE**, this will highlight the joint in **blue** \\ 2. Using the **slider** (seen below), select the START frame of the right functional movement. //Set the Start Frame to 241// \\ {{:MBAPP_F_RKNEE_START_slider.jpg}} \\ 3. Click **Set START Event to Current Frame** \\ | {{:MBAPP_F_RKNEE_START.jpg}}|
-\\
+|2. Select the **END** frame of the right functional movement \\ 1. **Select F_RKNEE**, this will highlight the joint in **blue** \\ 2. Using the **slider** (seen below), select the END frame of the right functional movement. //Set the End Frame to 631// \\ {{:MBAPP_F_RKNEE_END_slider.jpg}} \\ 3. Click **Set END Event to Current Frame** \\ | {{:MBAPP_F_RKNEE_END.jpg}}|
-|2. Select the **END** frame of the right functional movement\\ \\ 1. **Select F_RKNEE**, this will highlight the joint in **blue**\\ \\ 2. Using the **slider** (seen below), select the END frame of the right functional movement. //Set the End Frame to 631//\\ \\ {{:MBAPP_F_RKNEE_END_slider.jpg}}\\ \\ \\ 3. Click **Set END Event to Current Frame**\\ \\ \\   |  {{:MBAPP_F_RKNEE_END.jpg}}|
 ==== Define F_LKNEE Start and End of motion ====
-|1. Select the **START** frame of the left functional movement\\ \\ 1. **Select F_LKNEE**, this will highlight the joint in **blue**\\ \\ 2. Using the **slider**, select the START frame of the left functional movement. //Set the Start Frame to 733//\\ \\ 3. Click **Set START Event to Current Frame**\\ \\ \\   |  {{:MBAPP_F_LKNEE_START.jpg}}|
+|1. Select the **START** frame of the left functional movement \\ 1. **Select F_LKNEE**, this will highlight the joint in **blue** \\ 2. Using the **slider**, select the START frame of the left functional movement. //Set the Start Frame to 733// \\ 3. Click **Set START Event to Current Frame** \\ | {{:MBAPP_F_LKNEE_START.jpg}}|
-|2. Select the **END** frame of the left functional movement\\ \\ 1. **Select F_LKNEE**, this will highlight the joint in **blue**\\ \\ 2. Using the **slider**, select the END frame of the left functional movement. //Set the End Frame to 1149//\\ \\ 3. Click **Set END Event to Current Frame**\\ \\ \\   |  {{:MBAPP_F_LKNEE_END.jpg}}|
+|2. Select the **END** frame of the left functional movement \\ 1. **Select F_LKNEE**, this will highlight the joint in **blue** \\ 2. Using the **slider**, select the END frame of the left functional movement. //Set the End Frame to 1149// \\ 3. Click **Set END Event to Current Frame** \\ | {{:MBAPP_F_LKNEE_END.jpg}}|
 ===== Compute Landmarks =====
-|1. Select **Compute ALL Landmarks**\\ 2. **Close** the Model Builder Advanced Post Processing dialog box\\ 3. Four landmarks (**F_RKNEE, F_RKNEE_X, F_LKNEE and F_LKNEE_X**) should appear in purple in the 3D viewer\\ \\ \\ **If the landmarks do NOT appear in the 3D viewer, check:**\\ - That the landmarks are turned on (3D View Options)\\ - Check that all steps in this tutorial were completed\\   |  {{:F_RKNEE_F_LKNEE.jpg}}|
+|1. Select **Compute ALL Landmarks** \\ 2. **Close** the Model Builder Advanced Post Processing dialog box \\ 3. Four landmarks (**F_RKNEE, F_RKNEE_X, F_LKNEE and F_LKNEE_X**) should appear in purple in the 3D viewer \\ **If the landmarks do NOT appear in the 3D viewer, check:** \\ - That the landmarks are turned on (3D View Options) \\ - Check that all steps in this tutorial were completed \\   |  {{:F_RKNEE_F_LKNEE.jpg}}|
 ===== Compute Right Mediolateral Borders of the Knee Joint Center =====
@@ Line 75: / Line 62: @@
 These landmarks will project the mediolateral targets (RLATKNE,RMEDKNE) onto the axis of rotation created by the functional joint (F_RKNEE,F_RKNEE_X).
-\\
+|**1. Create Lateral Border of the Right Knee Joint Center (RKneLat):** \\ Click **Landmarks** button \\ Click **Add New Landmark** button \\ Create Landmark: //RKneLat// \\ **Landmark Name:** //RKneLat// \\ **Define Orientation Using:** \\ **Starting Point:** //F_RKNEE// \\ **Ending Point:** //F_RKNEE_X// \\ **Project From:** //RLATKNE// \\ **Do NOT Check:** //Offset by Percent (1.0 = 100%)// \\ //Calibration Only Landmark// | {{:RKneLat.jpg}}|
-|**1. Create Lateral Border of the Right Knee Joint Center (RKneLat):**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //RKneLat//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //RKneLat//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //F_RKNEE//\\    **Ending Point:** //F_RKNEE_X//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Project From:** //RLATKNE//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Calibration Only Landmark//<HTML></li></HTML><HTML></ol></HTML>  |  {{:RKneLat.jpg}}|
+|**2. Create Medial Border of the Right Knee Joint Center (RKneMed):** \\ Click **Landmarks** button \\ **Add New Landmark** button \\ Create Landmark: \\ **Landmark Name:** //RKneMed// \\ **Define Orientation Using:** \\ **Starting Point:** //F_RKNEE// \\ **Ending Point:** //F_RKNEE_X// \\ **Project From:** //RMEDKNE// \\ **Do NOT Check:** //Offset by Percent (1.0 = 100%)// \\ **Do NOT Check:** //Calibration Only Landmark// | {{:RKneMed.jpg}}|
-\\
-\\
-|**2. Create Medial Border of the Right Knee Joint Center (RKneMed):**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //RKneMed//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //RKneMed//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //F_RKNEE//\\    **Ending Point:** //F_RKNEE_X//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Project From:** //RMEDKNE//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Calibration Only Landmark//<HTML></li></HTML><HTML></ol></HTML>  |  {{:RKneMed.jpg}}|
 ===== Compute Left Mediolateral Borders of the Knee Joint Center =====
@@ Line 92: / Line 73: @@
 These landmarks will project the mediolateral targets (LLATKNE,LMEDKNE) onto the axis of rotation created by the functional joint (F_LKNEE,F_LKNEE_X).
-\\
+|**1. Create Lateral Border of the Left Knee Joint Center (LKneLat):** \\ Click **Landmarks** button \\ Click **Add New Landmark** button \\ Create Landmark: //LKneLat// \\ **Landmark Name:** //LKneLat// \\ **Define Orientation Using:** \\ **Starting Point:** //F_LKNEE// \\ **Ending Point:** //F_LKNEE_X// \\ **Project From:** //LLATKNE// \\ **Do NOT Check:** //Offset by Percent (1.0 = 100%)// \\ **Do NOT Check:** //Calibration Only Landmark// |{{:LKneLat.jpg}}|
-|**1. Create Lateral Border of the Left Knee Joint Center (LKneLat):**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //LKneLat//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //LKneLat//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //F_LKNEE//\\    **Ending Point:** //F_LKNEE_X//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Project From:** //LLATKNE//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Calibration Only Landmark//<HTML></li></HTML><HTML></ol></HTML>  |  {{:LKneLat.jpg}}|
-\\
-\\
-|**2. Create Medial Border of the Left Knee Joint Center (LKneMed):**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //LKneMed//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //LKneMed//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //F_LKNEE//\\    **Ending Point:** //F_LKNEE_X//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Project From:** //LMEDKNE//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Calibration Only Landmark//<HTML></li></HTML><HTML></ol></HTML>  |  {{:LKneMed.jpg}}|
+|**2. Create Medial Border of the Left Knee Joint Center (LKneMed):** \\ Click **Landmarks** button \\ Click **Add New Landmark** button \\ Create Landmark: //LKneMed// \\ **Landmark Name:** //LKneMed// \\ **Define Orientation Using:** \\ **Starting Point:** //F_LKNEE// \\ **Ending Point:** //F_LKNEE_X// \\ **Project From:** //LMEDKNE// \\ **Do NOT Check:** //Offset by Percent (1.0 = 100%)// \\ **Do NOT Check:** //Calibration Only Landmark// | {{:LKneMed.jpg}}|