diff --git a/addons/medical_damage/ACE_Medical_Injuries.hpp b/addons/medical_damage/ACE_Medical_Injuries.hpp
index f0f7d107d4..0b6edcb4f3 100644
--- a/addons/medical_damage/ACE_Medical_Injuries.hpp
+++ b/addons/medical_damage/ACE_Medical_Injuries.hpp
@@ -193,25 +193,40 @@ class ACE_Medical_Injuries {
             };
         };
         class collision {
-            thresholds[] = {{1.5, 3}, {1.5, 2}, {1, 2}, {1, 1}, {0.05, 1}}; // prevent subdividing wounds past FRACTURE_DAMAGE_THRESHOLD to ensure limp/fractue is triggered
+            thresholds[] = {{8, 4}, {1, 1}, {0.3, 1}, {0.15, 0.5}, {0, 0.3}}; // prevent subdividing wounds past FRACTURE_DAMAGE_THRESHOLD to ensure limp/fractue is triggered
             selectionSpecific = 0;
-            class Abrasion {
-                weighting[] = {{0.30, 0}, {0.30, 1}};
-            };
             class Avulsion {
                 weighting[] = {{1, 2}, {0.5, 0.5}, {0.5, 0}};
             };
+            class Abrasion {
+                weighting[] = {{0.4, 0}, {0.2, 1}, {0, 0}};
+            };
             class Contusion {
-                weighting[] = {{0.35, 0}, {0.35, 1}};
+                weighting[] = {{0.4, 0}, {0.2, 1}};
             };
             class Crush {
-                weighting[] = {{0.1, 1}, {0.1, 0}};
+                weighting[] = {{0.4, 1}, {0.2, 0}};
             };
             class Cut {
                 weighting[] = {{0.1, 1}, {0.1, 0}};
             };
             class Laceration {
-
+            };
+        };
+        class falling {
+            thresholds[] = {{8, 4}, {1, 1}, {0.2, 1}, {0.1, 0.7}, {0, 0.5}}; // prevent subdividing wounds past FRACTURE_DAMAGE_THRESHOLD to ensure limp/fractue is triggered
+            selectionSpecific = 0;
+            class Abrasion {
+                weighting[] = {{0.4, 0}, {0.2, 1}, {0, 0}};
+                sizeMultiplier = 3;
+            };
+            class Contusion {
+                weighting[] = {{0.4, 0}, {0.2, 1}};
+                sizeMultiplier = 3;
+            };
+            class Crush {
+                weighting[] = {{0.4, 1}, {0.2, 0}};
+                sizeMultiplier = 1.5;
             };
         };
         class backblast {
@@ -250,19 +265,6 @@ class ACE_Medical_Injuries {
 
             };
         };
-        class falling {
-            thresholds[] = {{1.5, 3}, {1.5, 2}, {1, 2}, {1, 1}, {0.05, 1}}; // prevent subdividing wounds past FRACTURE_DAMAGE_THRESHOLD to ensure limp/fractue is triggered
-            selectionSpecific = 0;
-            class Abrasion {
-                weighting[] = {{0.30, 0}, {0.30, 1}};
-            };
-            class Contusion {
-                weighting[] = {{0.35, 0}, {0.35, 1}};
-            };
-            class Crush {
-                weighting[] = {{0.1, 1}, {0.1, 0}};
-            };
-        };
         class ropeburn {
             thresholds[] = {{0.1, 1}, {0.1, 0}};
             selectionSpecific = 1;