diff --git a/app/src/main/java/com/example/leo/fitnessdiy/BlankFragment.java b/app/src/main/java/com/example/leo/fitnessdiy/BlankFragment.java
new file mode 100644
index 0000000000000000000000000000000000000000..5a047ea49daa72384157ec82c36e18ac296f9b8e
--- /dev/null
+++ b/app/src/main/java/com/example/leo/fitnessdiy/BlankFragment.java
@@ -0,0 +1,108 @@
+package com.example.leo.fitnessdiy;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Activities that contain this fragment must implement the
+ * {@link BlankFragment.OnFragmentInteractionListener} interface
+ * to handle interaction events.
+ * Use the {@link BlankFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class BlankFragment extends Fragment {
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    private OnFragmentInteractionListener mListener;
+
+    public BlankFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment BlankFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static BlankFragment newInstance(String param1, String param2) {
+        BlankFragment fragment = new BlankFragment();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_blank, container, false);
+    }
+
+    // TODO: Rename method, update argument and hook method into UI event
+    public void onButtonPressed(Uri uri) {
+        if (mListener != null) {
+            mListener.onFragmentInteraction(uri);
+        }
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        if (context instanceof OnFragmentInteractionListener) {
+            mListener = (OnFragmentInteractionListener) context;
+        } else {
+            throw new RuntimeException(context.toString()
+                    + " must implement OnFragmentInteractionListener");
+        }
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        mListener = null;
+    }
+
+    /**
+     * This interface must be implemented by activities that contain this
+     * fragment to allow an interaction in this fragment to be communicated
+     * to the activity and potentially other fragments contained in that
+     * activity.
+     * <p>
+     * See the Android Training lesson <a href=
+     * "http://developer.android.com/training/basics/fragments/communicating.html"
+     * >Communicating with Other Fragments</a> for more information.
+     */
+    public interface OnFragmentInteractionListener {
+        // TODO: Update argument type and name
+        void onFragmentInteraction(Uri uri);
+    }
+}
diff --git a/app/src/main/java/com/example/leo/fitnessdiy/HomeActivity.java b/app/src/main/java/com/example/leo/fitnessdiy/HomeActivity.java
index ea1a0671b61f969a1549e00b74a26a46593adbac..9b797d343d235f0dd394a210d5b1bafc5cc305fd 100644
--- a/app/src/main/java/com/example/leo/fitnessdiy/HomeActivity.java
+++ b/app/src/main/java/com/example/leo/fitnessdiy/HomeActivity.java
@@ -12,7 +12,8 @@ import android.support.v4.app.FragmentTransaction;
 
 public class HomeActivity extends AppCompatActivity
         implements ExerciseFragment.OnFragmentInteractionListener,
-                   HistoryFragment.OnFragmentInteractionListener{
+                   HistoryFragment.OnFragmentInteractionListener,
+                   BlankFragment.OnFragmentInteractionListener{
 
     private FloatingActionButton chatButton;
     @Override
@@ -38,12 +39,19 @@ public class HomeActivity extends AppCompatActivity
 
     public void changeFragment(View view){
         Fragment fragment;
+//        fragment = getSupportFragmentManager().findFragmentById(R.id.home_fragment);
+//        FragmentManager manager = getSupportFragmentManager();
+//        if (fragment != null) {
+//            getSupportFragmentManager().beginTransaction().remove(fragment).commit();
+//            manager.popBackStack();
+//        }
 
         if(view == findViewById(R.id.history_button)){
             fragment = new HistoryFragment();
             FragmentManager fm = getSupportFragmentManager();
             FragmentTransaction ft = fm.beginTransaction();
             ft.replace(R.id.home_fragment, fragment);
+            ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
             ft.commit();
         }
         else if(view == findViewById(R.id.exercise_button)){
@@ -51,6 +59,8 @@ public class HomeActivity extends AppCompatActivity
             FragmentManager fm = getSupportFragmentManager();
             FragmentTransaction ft = fm.beginTransaction();
             ft.replace(R.id.home_fragment, fragment);
+            ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
+
             ft.commit();
         }
     }
diff --git a/app/src/main/java/com/example/leo/fitnessdiy/PlankActivity.java b/app/src/main/java/com/example/leo/fitnessdiy/PlankActivity.java
index d7fc235b742bdbbf7258277e26b080af8ed783fb..c6fdfb270d99e562b2c5b5779b339eb9fd847d74 100644
--- a/app/src/main/java/com/example/leo/fitnessdiy/PlankActivity.java
+++ b/app/src/main/java/com/example/leo/fitnessdiy/PlankActivity.java
@@ -1,5 +1,7 @@
 package com.example.leo.fitnessdiy;
 
+import android.content.Intent;
+import android.net.Uri;
 import android.os.CountDownTimer;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
@@ -14,12 +16,21 @@ public class PlankActivity extends AppCompatActivity {
         setContentView(R.layout.activity_plank);
     }
 
+    public String milisecondToMinutes(long l){
+        long minutes = (l/1000)/60;
+        long seconds = (l/1000)%60;
+        if (seconds >= 10)
+            return minutes+" : "+seconds;
+        else
+            return minutes+" : 0"+seconds;
+    }
+
     public void countDownPlank(View view) {
         final TextView countText = findViewById(R.id.count_timer);
-        new CountDownTimer(60000, 1000){
+        new CountDownTimer(120000, 1000){
             @Override
             public void onTick(long l) {
-                String waktu = Long.toString(l/1000);
+                String waktu = milisecondToMinutes(l);
                 countText.setText(waktu);
             }
 
@@ -29,4 +40,15 @@ public class PlankActivity extends AppCompatActivity {
             }
         }.start();
     }
+
+    public void openVideo(View view) {
+        String url = (String)view.getTag();
+
+        Intent intent = new Intent();
+        intent.setAction(Intent.ACTION_VIEW);
+        intent.addCategory(Intent.CATEGORY_BROWSABLE);
+
+        intent.setData(Uri.parse(url));
+        startActivity(intent);
+    }
 }
diff --git a/app/src/main/res/drawable/plank_video_1.PNG b/app/src/main/res/drawable/plank_video_1.PNG
new file mode 100644
index 0000000000000000000000000000000000000000..f0a8e23b8452dd87593021d4179a450fa409aa1a
Binary files /dev/null and b/app/src/main/res/drawable/plank_video_1.PNG differ
diff --git a/app/src/main/res/drawable/plank_video_2.PNG b/app/src/main/res/drawable/plank_video_2.PNG
new file mode 100644
index 0000000000000000000000000000000000000000..647a0a8372c82077f14d73d982e1eee420ad7b05
Binary files /dev/null and b/app/src/main/res/drawable/plank_video_2.PNG differ
diff --git a/app/src/main/res/layout/activity_home.xml b/app/src/main/res/layout/activity_home.xml
index 8f7f8fa2c90587ce8a1431d5409694bc5b4f8689..7b77666d02d3eb399e52ac097026d93abca83c1a 100644
--- a/app/src/main/res/layout/activity_home.xml
+++ b/app/src/main/res/layout/activity_home.xml
@@ -30,7 +30,7 @@
 
     <fragment
         android:id="@+id/home_fragment"
-        android:name="com.example.leo.fitnessdiy.ExerciseFragment"
+        android:name="com.example.leo.fitnessdiy.BlankFragment"
         android:layout_width="match_parent"
         android:layout_height="471dp" />
 
diff --git a/app/src/main/res/layout/activity_plank.xml b/app/src/main/res/layout/activity_plank.xml
index 1424f0db93c95d215df0f673304fa5514be36dee..b4941ba5686e7365bc8a362dfdf3050d674059fe 100644
--- a/app/src/main/res/layout/activity_plank.xml
+++ b/app/src/main/res/layout/activity_plank.xml
@@ -12,19 +12,73 @@
         android:layout_height="wrap_content"
         android:layout_marginBottom="100dp"
         android:text="@string/plank" />
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginBottom="30dp"
+        android:onClick="countDownPlank"
+        android:text="start" />
 
     <TextView
         android:id="@+id/count_timer"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal"
-        android:text="1:00" />
+        android:textSize="32sp"
+        android:text="2 : 00" />
 
-    <Button
+    <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_gravity="center_horizontal"
-        android:onClick="countDownPlank"
-        android:text="start" />
+        android:layout_marginBottom="30dp"
+        android:text="@string/plank_video" />
+
+
+
+    <!--<ScrollView-->
+        <!--android:layout_width="wrap_content"-->
+        <!--android:layout_height="wrap_content">-->
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:tag="https://www.youtube.com/watch?v=TvxNkmjdhMM"
+            android:clickable="true"
+            android:focusable="true"
+            android:onClick="openVideo"
+            android:layout_margin="4dp"
+            >
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:src="@drawable/plank_video_1"/>
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="How to Plank"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:tag="https://www.youtube.com/watch?v=_nZgpZLf7ZA"
+            android:clickable="true"
+            android:focusable="true"
+            android:onClick="openVideo"
+            android:layout_margin="4dp">
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:src="@drawable/plank_video_2"/>
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Benefits of Plank"/>
+        </LinearLayout>
+
+    <!--</ScrollView>-->
+
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/fragment_blank.xml b/app/src/main/res/layout/fragment_blank.xml
new file mode 100644
index 0000000000000000000000000000000000000000..13773b2e564b6b6310c013a23e9354c1fb69a6a3
--- /dev/null
+++ b/app/src/main/res/layout/fragment_blank.xml
@@ -0,0 +1,7 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.example.leo.fitnessdiy.BlankFragment">
+
+</FrameLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f48c5d9bc069f0452ca7d9404b228ea7d0b2fd33..5a9d178bb7cd510f517b1ff1ee73cfe28c4d30ab 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -17,4 +17,5 @@
 
     <!-- TODO: Remove or change this placeholder text -->
     <string name="hello_blank_fragment">Hello blank fragment</string>
+    <string name="plank_video">Plank Video</string>
 </resources>