diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
index b38dd7204..e9a80c716 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
@@ -51,12 +51,12 @@ namespace UniVRM10
             }
         }
 
-        public bool SpringBonePaused
+        public bool IsSpringBoneEnabled
         {
-            get => m_externalData.Paused;
+            get => m_externalData.IsSpringBoneEnabled;
             set
             {
-                m_externalData.Paused = value;
+                m_externalData.IsSpringBoneEnabled = value;
                 m_fastSpringBoneBuffer.ExternalData = m_externalData;
             }
         }
diff --git a/Assets/VRM10/Runtime/FastSpringBone/Blittables/BlittableExternalData.cs b/Assets/VRM10/Runtime/FastSpringBone/Blittables/BlittableExternalData.cs
index 637cad71a..d79789c5f 100644
--- a/Assets/VRM10/Runtime/FastSpringBone/Blittables/BlittableExternalData.cs
+++ b/Assets/VRM10/Runtime/FastSpringBone/Blittables/BlittableExternalData.cs
@@ -8,6 +8,10 @@ namespace UniVRM10.FastSpringBones.Blittables
     public struct BlittableExternalData
     {
         public Vector3 ExternalForce;
-        public bool Paused;
+
+        /// <summary>
+        /// if false, spring bone is paused.
+        /// </summary>
+        public bool IsSpringBoneEnabled;
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM10/Runtime/FastSpringBone/System/UpdateFastSpringBoneJob.cs b/Assets/VRM10/Runtime/FastSpringBone/System/UpdateFastSpringBoneJob.cs
index b71ec5d67..cc0694514 100644
--- a/Assets/VRM10/Runtime/FastSpringBone/System/UpdateFastSpringBoneJob.cs
+++ b/Assets/VRM10/Runtime/FastSpringBone/System/UpdateFastSpringBoneJob.cs
@@ -147,16 +147,16 @@ namespace UniVRM10.FastSpringBones.System
                     headTransform.localRotation = headTransform.rotation;
                 }
 
-                if (spring.ExternalData->Paused)
-                {
-                    // SpringBone の結果を Transform に反映しないが logic の更新は継続する。
-                    // 再開したときに暴れない。
-                }
-                else
+                if (spring.ExternalData->IsSpringBoneEnabled)
                 {
                     // SpringBone の結果を Transform に反映する
                     Transforms[logic.headTransformIndex + transformIndexOffset] = headTransform;
                 }
+                else
+                {
+                    // SpringBone の結果を Transform に反映しないが logic の更新は継続する。
+                    // 再開したときに暴れない。
+                }
                 Logics[logicIndex] = logic;
             }
         }
diff --git a/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs b/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
index 8f15e0fcf..b73892561 100644
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
@@ -28,7 +28,7 @@ namespace UniVRM10.VRM10Viewer
         Toggle m_showBoxMan = default;
 
         [SerializeField]
-        Toggle m_puaseSpringBone = default;
+        Toggle m_pauseSpringBone = default;
 
         [SerializeField]
         Toggle m_enableLipSync = default;
@@ -262,7 +262,7 @@ namespace UniVRM10.VRM10Viewer
             var toggles = GameObject.FindObjectsOfType<Toggle>();
 #endif
             m_showBoxMan = toggles.First(x => x.name == "ShowBoxMan");
-            m_puaseSpringBone = toggles.First(x => x.name == "PauseSpringBone");
+            m_pauseSpringBone = toggles.First(x => x.name == "PauseSpringBone");
             m_enableLipSync = toggles.First(x => x.name == "EnableLipSync");
             m_enableAutoBlink = toggles.First(x => x.name == "EnableAutoBlink");
             m_enableAutoExpression = toggles.First(x => x.name == "EnableAutoExpression");
@@ -410,7 +410,7 @@ namespace UniVRM10.VRM10Viewer
                         m_loaded.Runtime.VrmAnimation = Motion;
                     }
 
-                    m_loaded.Runtime.SpringBonePaused = m_puaseSpringBone.isOn;
+                    m_loaded.Runtime.IsSpringBoneEnabled = !m_pauseSpringBone.isOn;
                 }
             }
         }