diff --git a/Finite_element_analysis/Downloads/StandingLift.zip b/Finite_element_analysis/Downloads/StandingLift.zip
index 504b8687..e02de3c5 100644
Binary files a/Finite_element_analysis/Downloads/StandingLift.zip and b/Finite_element_analysis/Downloads/StandingLift.zip differ
diff --git a/Finite_element_analysis/Snippets/Lesson1/Model/JointsAndDrivers.any b/Finite_element_analysis/Snippets/Lesson1/Model/JointsAndDrivers.any
index 469e35ce..fad97b57 100644
--- a/Finite_element_analysis/Snippets/Lesson1/Model/JointsAndDrivers.any
+++ b/Finite_element_analysis/Snippets/Lesson1/Model/JointsAndDrivers.any
@@ -181,8 +181,10 @@ AnyFolder Drivers = {
   //Constrain the feet to be symmetrical about the xy plane
   AnyKinEqSimpleDriver FeetXDriver = {
     AnyKinCoM CoM = {
-      AnySeg &rf = Main.Model.BodyModel.Right.Leg.Seg.Foot;
-      AnySeg &ff = Main.Model.BodyModel.Left.Leg.Seg.Foot;
+      RefFrames = arrcat(
+        ObjSearch("Main.Model.BodyModel.*.Leg.Seg.Foot","AnySeg"),
+        ObjSearch("Main.Model.BodyModel.*.Leg.Seg.Foot.*","AnySeg")
+      );
     };
     MeasureOrganizer = {2};  // Only the z direction
     DriverPos = {0};
@@ -394,7 +396,7 @@ AnyFolder Drivers = {
   AnyKinEq RToeGroundConstraint ={
     AnyKinLinear ToePos = {
       AnyFixedRefFrame &Ground = Main.Model.EnvironmentModel.GlobalRef;
-      AnyRefNode &Ball = Main.Model.BodyModel.Right.Leg.Seg.Foot.ToeJoint;
+      AnyRefNode &Ball = Main.Model.BodyModel.Right.Leg.Seg.Foot.Metatarsal1.ToeJoint;
     };
     MeasureOrganizer = {1};  // Only the y coordinate
     Reaction.Type={Off};
@@ -403,7 +405,7 @@ AnyFolder Drivers = {
   AnyKinEqSimpleDriver RHeelGroundConstraint ={
     AnyKinLinear HeelPos = {
       AnyFixedRefFrame &Ground = Main.Model.EnvironmentModel.GlobalRef;
-      AnyRefNode &Ball = Main.Model.BodyModel.Right.Leg.Seg.Foot.HeelJoint;
+      AnyRefNode &Ball = Main.Model.BodyModel.Right.Leg.Seg.Foot.Calcaneus.HeelContactNodeLow;
     };
     MeasureOrganizer = {1};  // Only the y coordinate
     DriverPos = {0.0};
@@ -415,7 +417,7 @@ AnyFolder Drivers = {
   AnyKinEq LToeGroundConstraint ={
     AnyKinLinear ToePos = {
       AnyFixedRefFrame &Ground = Main.Model.EnvironmentModel.GlobalRef;
-      AnyRefNode &Ball = Main.Model.BodyModel.Left.Leg.Seg.Foot.ToeJoint;
+      AnyRefNode &Ball = Main.Model.BodyModel.Left.Leg.Seg.Foot.Metatarsal1.ToeJoint;
     };
     MeasureOrganizer = {1};  // Only the y coordinate
     Reaction.Type={Off};
@@ -424,7 +426,7 @@ AnyFolder Drivers = {
   AnyKinEqSimpleDriver LHeelGroundConstraint ={
     AnyKinLinear HeelPos = {
       AnyFixedRefFrame &Ground = Main.Model.EnvironmentModel.GlobalRef;
-      AnyRefNode &Ball = Main.Model.BodyModel.Left.Leg.Seg.Foot.HeelJoint;
+      AnyRefNode &Ball = Main.Model.BodyModel.Left.Leg.Seg.Foot.Calcaneus.HeelContactNodeLow;
     };
     MeasureOrganizer = {1};  // Only the y coordinate
     DriverPos = {0.0};