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--- visual3d:documentation:modeling:functional_joints:example_-_functional_knee [2024/07/12 13:32] – removed sgranger
+++ visual3d:documentation:modeling:functional_joints:example_-_functional_knee [2024/07/17 15:45] (current) – created sgranger
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+====== Example - Functional Knee ======
+\\
+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.\\
+) 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.\\
+\\
+**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}}|
+===== Create Functional Joint =====
+|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}}|
+|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}}|
+|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}}|
+|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.\\
+\\
+==== 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}}|
+\\
+|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}}|
+|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}}|
+===== Compute Right Mediolateral Borders of the Knee Joint Center =====
+The RKneLat and RKneMed landmarks created below will be used to define the mediolateral borders of the knee joint.
+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):**\\ \\ <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):**\\ \\ <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 =====
+The LKneLat and LKneMed landmarks created below will be used to define the mediolateral borders of the knee joint.
+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):**\\ \\ <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}}|