diff --git a/indra/newview/character/avatar_lad.xml b/indra/newview/character/avatar_lad.xml
index 58fe82da9e..69512cdf34 100644
--- a/indra/newview/character/avatar_lad.xml
+++ b/indra/newview/character/avatar_lad.xml
@@ -4456,6 +4456,22 @@
       <param_morph />
     </param>
 
+    <param
+     id="1090"
+     group="0"
+     name="Butt_Physics_LeftRight_Driven"
+     wearable="shape"
+     edit_group="driven"
+     label_min="Separate"
+     label_max="Join"
+     value_default="0"
+     value_min="-2"
+     value_max="2"
+     camera_elevation=".3"
+     camera_distance=".8">
+      <param_morph />
+    </param>
+
     <param
      id="152"
      group="1"
@@ -9351,7 +9367,7 @@ render_pass="bump">
     </param>
 
     <param
-     id="1090"
+     id="1104"
      group="0"
      wearable="shape"
      edit_group="shape_legs"
@@ -9371,6 +9387,27 @@ render_pass="bump">
       </param_driver>
     </param>
 
+    <param
+     id="1105"
+     group="0"
+     wearable="shape"
+     edit_group="shape_legs"
+     edit_group_order="15"
+     name="Butt_Physics_LeftRight_Controller"
+     label="Butt Physics LeftRight Controller"
+     label_min="Down"
+     label_max="Up"
+     value_min="-1"
+     value_max="1"
+     value_default="0"
+     camera_elevation=".3"
+     camera_distance=".8">
+      <param_driver>
+        <driven
+         id="1090" />
+      </param_driver>
+    </param>
+
    <param
      id="507"
      group="0"
diff --git a/indra/newview/llphysicsmotion.cpp b/indra/newview/llphysicsmotion.cpp
index 393120be40..87e062a881 100644
--- a/indra/newview/llphysicsmotion.cpp
+++ b/indra/newview/llphysicsmotion.cpp
@@ -238,85 +238,103 @@ LLMotion::LLMotionInitStatus LLPhysicsMotionController::onInitialize(LLCharacter
 
 	mMotions.clear();
 
-	controller_map_t controllers_cleavage;
-	controllers_cleavage["Mass"] = "Breast_Physics_Mass";
-	controllers_cleavage["Smoothing"] = "Breast_Physics_Smoothing";
-	controllers_cleavage["Gravity"] = "Breast_Physics_Gravity";
-	controllers_cleavage["Damping"] = "Breast_Physics_Side_Damping";
-	controllers_cleavage["Drag"] = "Breast_Physics_Side_Drag";
-	controllers_cleavage["MaxSpeed"] = "Breast_Physics_Side_Max_Velocity";
-	controllers_cleavage["Spring"] = "Breast_Physics_Side_Spring";
-	controllers_cleavage["Gain"] = "Breast_Physics_Side_Gain";
+	controller_map_t controller_breast_inout;
+	controller_breast_inout["Mass"] = "Breast_Physics_Mass";
+	controller_breast_inout["Smoothing"] = "Breast_Physics_Smoothing";
+	controller_breast_inout["Gravity"] = "Breast_Physics_Gravity";
+	controller_breast_inout["Damping"] = "Breast_Physics_Side_Damping";
+	controller_breast_inout["Drag"] = "Breast_Physics_Side_Drag";
+	controller_breast_inout["MaxSpeed"] = "Breast_Physics_Side_Max_Velocity";
+	controller_breast_inout["Spring"] = "Breast_Physics_Side_Spring";
+	controller_breast_inout["Gain"] = "Breast_Physics_Side_Gain";
 
-	LLPhysicsMotion *cleavage_motion = new LLPhysicsMotion("Breast_Physics_Side_Controller",
-							       "",
-							       "mChest",
-							       character,
-							       LLVector3(-1,0,0),
-							       controllers_cleavage);
-	if (!cleavage_motion->initialize())
+	LLPhysicsMotion *motion_breast_inout = new LLPhysicsMotion("Breast_Physics_Side_Controller",
+								   "",
+								   "mChest",
+								   character,
+								   LLVector3(-1,0,0),
+								   controller_breast_inout);
+	if (!motion_breast_inout->initialize())
 		return STATUS_FAILURE;
-	addMotion(cleavage_motion);
+	addMotion(motion_breast_inout);
 
-	controller_map_t controllers_bounce;
-	controllers_bounce["Mass"] = "Breast_Physics_Mass";
-	controllers_bounce["Smoothing"] = "Breast_Physics_Smoothing";
-	controllers_bounce["Gravity"] = "Breast_Physics_Gravity";
-	controllers_bounce["Damping"] = "Breast_Physics_UpDown_Damping";
-	controllers_bounce["Drag"] = "Breast_Physics_UpDown_Drag";
-	controllers_bounce["MaxSpeed"] = "Breast_Physics_UpDown_Max_Velocity";
-	controllers_bounce["Spring"] = "Breast_Physics_UpDown_Spring";
-	controllers_bounce["Gain"] = "Breast_Physics_UpDown_Gain";
+	controller_map_t controller_breast_updown;
+	controller_breast_updown["Mass"] = "Breast_Physics_Mass";
+	controller_breast_updown["Smoothing"] = "Breast_Physics_Smoothing";
+	controller_breast_updown["Gravity"] = "Breast_Physics_Gravity";
+	controller_breast_updown["Damping"] = "Breast_Physics_UpDown_Damping";
+	controller_breast_updown["Drag"] = "Breast_Physics_UpDown_Drag";
+	controller_breast_updown["MaxSpeed"] = "Breast_Physics_UpDown_Max_Velocity";
+	controller_breast_updown["Spring"] = "Breast_Physics_UpDown_Spring";
+	controller_breast_updown["Gain"] = "Breast_Physics_UpDown_Gain";
 
-	LLPhysicsMotion *bounce_motion = new LLPhysicsMotion("Breast_Physics_UpDown_Controller",
-							     "",
-							     "mChest",
-							     character,
-							     LLVector3(0,0,1),
-							     controllers_bounce);
-	if (!bounce_motion->initialize())
+	LLPhysicsMotion *motion_breast_updown = new LLPhysicsMotion("Breast_Physics_UpDown_Controller",
+								    "",
+								    "mChest",
+								    character,
+								    LLVector3(0,0,1),
+								    controller_breast_updown);
+	if (!motion_breast_updown->initialize())
 	{
 		llassert_always(FALSE);
 		return STATUS_FAILURE;
 	}
-	addMotion(bounce_motion);
+	addMotion(motion_breast_updown);
 
-	controller_map_t controllers_butt_bounce;
-	controllers_butt_bounce["Damping"] = "Butt_Physics_Updown_Damping";
-	controllers_butt_bounce["MaxSpeed"] = "Butt_Physics_Updown_Max_Velocity";
-	controllers_butt_bounce["Spring"] = "Butt_Physics_Updown_Spring";
-	controllers_butt_bounce["Gain"] = "Butt_Physics_Updown_Gain";
-	LLPhysicsMotion *butt_bounce_motion = new LLPhysicsMotion("Butt_Physics_UpDown_Controller",
+	controller_map_t controller_butt_updown;
+	controller_butt_updown["Damping"] = "Butt_Physics_Updown_Damping";
+	controller_butt_updown["MaxSpeed"] = "Butt_Physics_Updown_Max_Velocity";
+	controller_butt_updown["Spring"] = "Butt_Physics_Updown_Spring";
+	controller_butt_updown["Gain"] = "Butt_Physics_Updown_Gain";
+	LLPhysicsMotion *motion_butt_updown = new LLPhysicsMotion("Butt_Physics_UpDown_Controller",
 								  "",
 								  "mPelvis",
 								  character,
-								  LLVector3(0,0,-1),
-								  controllers_butt_bounce);
-	if (!butt_bounce_motion->initialize())
+								  LLVector3(0,0,1),
+								  controller_butt_updown);
+	if (!motion_butt_updown->initialize())
 	{
 		llassert_always(FALSE);
 		return STATUS_FAILURE;
 	}
-	addMotion(butt_bounce_motion);
+	addMotion(motion_butt_updown);
 
-	controller_map_t controllers_belly_bounce;
-	controllers_belly_bounce["Damping"] = "Belly_Physics_Updown_Damping";
-	controllers_belly_bounce["MaxSpeed"] = "Belly_Physics_Updown_Max_Velocity";
-	controllers_belly_bounce["Spring"] = "Belly_Physics_Updown_Spring";
-	controllers_belly_bounce["Gain"] = "Belly_Physics_Updown_Gain";
-	LLPhysicsMotion *belly_bounce_motion = new LLPhysicsMotion("Belly_Physics_UpDown_Controller",
+	controller_map_t controller_butt_leftright;
+	controller_butt_leftright["Damping"] = "Butt_Physics_Updown_Damping";
+	controller_butt_leftright["MaxSpeed"] = "Butt_Physics_Updown_Max_Velocity";
+	controller_butt_leftright["Spring"] = "Butt_Physics_Updown_Spring";
+	controller_butt_leftright["Gain"] = "Butt_Physics_Updown_Gain";
+	LLPhysicsMotion *motion_butt_leftright = new LLPhysicsMotion("Butt_Physics_LeftRight_Controller",
+								     "",
+								     "mPelvis",
+								     character,
+								     LLVector3(0,1,0),
+								     controller_butt_leftright);
+	if (!motion_butt_leftright->initialize())
+	{
+		llassert_always(FALSE);
+		return STATUS_FAILURE;
+	}
+	addMotion(motion_butt_leftright);
+
+	controller_map_t controller_belly_updown;
+	controller_belly_updown["Damping"] = "Belly_Physics_Updown_Damping";
+	controller_belly_updown["MaxSpeed"] = "Belly_Physics_Updown_Max_Velocity";
+	controller_belly_updown["Spring"] = "Belly_Physics_Updown_Spring";
+	controller_belly_updown["Gain"] = "Belly_Physics_Updown_Gain";
+	LLPhysicsMotion *motion_belly_updown = new LLPhysicsMotion("Belly_Physics_UpDown_Controller",
 								   "",
 								   "mChest",
 								   character,
 								   LLVector3(0,0,-1),
-								   controllers_belly_bounce);
-	if (!belly_bounce_motion->initialize())
+								   controller_belly_updown);
+	if (!motion_belly_updown->initialize())
 	{
 		llassert_always(FALSE);
 		return STATUS_FAILURE;
 	}
-	addMotion(belly_bounce_motion);
-
+	addMotion(motion_belly_updown);
+	
 	return STATUS_SUCCESS;
 }
 
diff --git a/indra/newview/llpolymesh.cpp b/indra/newview/llpolymesh.cpp
index 626b7ca1eb..a28357b4a9 100644
--- a/indra/newview/llpolymesh.cpp
+++ b/indra/newview/llpolymesh.cpp
@@ -46,6 +46,10 @@
 
 extern LLControlGroup gSavedSettings;				// read only
 
+LLPolyMorphData *clone_morph_param(const LLPolyMorphData *src_data,
+				   const LLVector3 &direction,
+				   const std::string &name);
+
 //-----------------------------------------------------------------------------
 // Global table of loaded LLPolyMeshes
 //-----------------------------------------------------------------------------
@@ -605,62 +609,36 @@ BOOL LLPolyMeshSharedData::loadMesh( const std::string& fileName )
 
 				if (!strcmp(morphName, "Big_Belly_Torso"))
 				{
-					LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*morph_data);
-					cloned_morph_data->mName = std::string("Belly_Torso_Physics_UpDown_Driven");
-					for (U32 v=0; v < morph_data->mNumIndices; v++)
-					{
-						cloned_morph_data->mCoords[v][0] = 0;
-						cloned_morph_data->mCoords[v][1] = 0;
-						cloned_morph_data->mCoords[v][2] = 0.05F;
-						cloned_morph_data->mNormals[v] = LLVector3(0,0,0);
-						cloned_morph_data->mBinormals[v] = LLVector3(0,0,0);
-					}
-					mMorphData.insert(cloned_morph_data);
+					mMorphData.insert(clone_morph_param(morph_data,
+									    LLVector3(0,0,0.05f),
+									    "Belly_Torso_Physics_UpDown_Driven"));
 				}
 
 				if (!strcmp(morphName, "Big_Belly_Legs"))
 				{
-					LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*morph_data);
-					cloned_morph_data->mName = std::string("Belly_Legs_Physics_UpDown_Driven");
-					for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
-					{
-						cloned_morph_data->mCoords[v][0] = 0;
-						cloned_morph_data->mCoords[v][1] = 0;
-						cloned_morph_data->mCoords[v][2] = 0.05F;
-						cloned_morph_data->mNormals[v] = LLVector3(0,0,0);
-						cloned_morph_data->mBinormals[v] = LLVector3(0,0,0);
-					}
-					mMorphData.insert(cloned_morph_data);
+					mMorphData.insert(clone_morph_param(morph_data,
+									    LLVector3(0,0,0.05f),
+									    "Belly_Legs_Physics_UpDown_Driven"));
 				}
 
 				if (!strcmp(morphName, "skirt_belly"))
 				{
-					LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*morph_data);
-					cloned_morph_data->mName = std::string("Belly_Skirt_Physics_UpDown_Driven");
-					for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
-					{
-						cloned_morph_data->mCoords[v][0] = 0;
-						cloned_morph_data->mCoords[v][1] = 0;
-						cloned_morph_data->mCoords[v][2] = 0.05F;
-						cloned_morph_data->mNormals[v] = LLVector3(0,0,0);
-						cloned_morph_data->mBinormals[v] = LLVector3(0,0,0);
-					}
-					mMorphData.insert(cloned_morph_data);
+					mMorphData.insert(clone_morph_param(morph_data,
+									    LLVector3(0,0,0.05f),
+									    "Belly_Skirt_Physics_UpDown_Driven"));
 				}
 
 				if (!strcmp(morphName, "Small_Butt"))
 				{
-					LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*morph_data);
-					cloned_morph_data->mName = std::string("Butt_Physics_UpDown_Driven");
-					for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
-					{
-						cloned_morph_data->mCoords[v][0] = 0;
-						cloned_morph_data->mCoords[v][1] = 0;
-						cloned_morph_data->mCoords[v][2] = 0.01F;
-						cloned_morph_data->mNormals[v] = LLVector3(0,0,0);
-						cloned_morph_data->mBinormals[v] = LLVector3(0,0,0);
-					}
-					mMorphData.insert(cloned_morph_data);
+					mMorphData.insert(clone_morph_param(morph_data,
+									    LLVector3(0,0,0.01f),
+									    "Butt_Physics_UpDown_Driven"));
+				}
+				if (!strcmp(morphName, "Small_Butt"))
+				{
+					mMorphData.insert(clone_morph_param(morph_data,
+									    LLVector3(0,0.01f,0),
+									    "Butt_Physics_LeftRight_Driven"));
 				}
 			}
 
@@ -1218,4 +1196,20 @@ void LLPolySkeletalDistortion::apply( ESex avatar_sex )
 	mLastWeight = mCurWeight;
 }
 
+
+LLPolyMorphData *clone_morph_param(const LLPolyMorphData *src_data,
+				   const LLVector3 &direction,
+				   const std::string &name)
+{
+	LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
+	cloned_morph_data->mName = name;
+	for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
+	{
+		cloned_morph_data->mCoords[v] = direction;
+		cloned_morph_data->mNormals[v] = LLVector3(0,0,0);
+		cloned_morph_data->mBinormals[v] = LLVector3(0,0,0);
+	}
+	return cloned_morph_data;
+}
+
 // End
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index 749a392451..f2cfaa74c1 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -2533,6 +2533,7 @@ If you continue to receive this message, contact the [SUPPORT_SITE].
 <string name="Belly Physics UpDown Max Speed">Belly Updown Max Speed</string>
 
 <string name="Butt Physics UpDown Controller">Butt UpDown Bounce</string>
+<string name="Butt Physics LeftRight Controller">Butt LeftRight Bounce</string>
 <string name="Butt Physics UpDown Spring">Butt UpDown Spring</string>
 <string name="Butt Physics UpDown Gain">Butt UpDown Gain</string>
 <string name="Butt Physics UpDown Damping">Butt UpDown Damping</string>