diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 1903579..15aa757 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -21,6 +21,18 @@
               "pinned": true
             }
           },
+          {
+            "id": "42516be3efa5f1f4",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "05. 資料收集/仰臥起坐.md",
+                "mode": "preview",
+                "source": true
+              }
+            }
+          },
           {
             "id": "3b4577823cedf427",
             "type": "leaf",
@@ -59,7 +71,8 @@
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             }
           }
-        ]
+        ],
+        "currentTab": 1
       }
     ],
     "direction": "vertical"
@@ -117,7 +130,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "00. Inbox/Habit Tracker.md",
+                "file": "05. 資料收集/仰臥起坐.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -142,7 +155,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "00. Inbox/Habit Tracker.md"
+                "file": "05. 資料收集/仰臥起坐.md"
               }
             }
           },
@@ -155,7 +168,7 @@
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           }
         ],
-        "currentTab": 3
+        "currentTab": 1
       },
       {
         "id": "ae4bf98badbfc7ee",
@@ -193,11 +206,16 @@
       "periodic-notes:Open today": false
     }
   },
-  "active": "2d6c71e84273c20a",
+  "active": "42516be3efa5f1f4",
   "lastOpenFiles": [
+    "attachments/Pasted image 20230418111538.png",
+    "attachments/Pasted image 20230418111512.png",
+    "attachments/Pasted image 20230418111423.png",
+    "attachments/Pasted image 20230418111420.png",
+    "00. Inbox/Habit Tracker.md",
+    "05. 資料收集/仰臥起坐.md",
     "01. 個人/01. Daily/2023-04-17(週一).md",
     "00. Inbox/想要的鏡頭.md",
-    "00. Inbox/Habit Tracker.md",
     "00. Inbox/01. TODO.md",
     "04. Programming/OpenCL.md",
     "04. Programming/OpenCV.md",
@@ -223,8 +241,6 @@
     "01. 個人/01. Daily/2023/03/2023-03-09(週四).md",
     "未命名.canvas",
     "01. 個人/01. Daily/2023/03/2023-03-08(週三).md",
-    "05. 資料收集/AI.md",
-    "04. Programming/Python/subprocess.md",
     "attachments/android_mediacodec_life_cycle.png",
     "attachments/android_mediacodec_flow.png",
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diff --git a/05. 資料收集/仰臥起坐.md b/05. 資料收集/仰臥起坐.md
new file mode 100644
index 0000000..30b80c2
--- /dev/null
+++ b/05. 資料收集/仰臥起坐.md	
@@ -0,0 +1,20 @@
+
+## 缺點
+會讓髖屈肌（hip flexors）收縮，造成骨盆前傾。
+
+````col
+```col-md
+![[Pasted image 20230418111423.png]]
+```
+
+```col-md
+![[Pasted image 20230418111512.png]]
+```
+
+```col-md
+![[Pasted image 20230418111538.png]]
+```
+````
+
+## 參考來源
+- [Train Like One Punch Man (Does It Really Work?) - YouTube](https://www.youtube.com/watch?v=Ga6Vr3Ec2Mc)
\ No newline at end of file
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