diff --git a/aitrainer_backoffice/aitrainer_backoffice/admin.py b/aitrainer_backoffice/aitrainer_backoffice/admin.py
index 1b67297..62ab3d3 100644
--- a/aitrainer_backoffice/aitrainer_backoffice/admin.py
+++ b/aitrainer_backoffice/aitrainer_backoffice/admin.py
@@ -33,12 +33,15 @@ class TranslationInline(admin.TabularInline):
 
 
 class ExerciseTypeAdmin(admin.ModelAdmin):
-    list_display = ('exercise_type_id', 'tree', 'name_colored', 'active')
+    list_display = ('exercise_type_id', 'tree', 'name_colored', 'active', 'base')
     search_fields = ['name']
 
     def name_colored(self, obj):
         if obj.active:
-            color_code = '7bc863'
+            if obj.base:
+                color_code = '7bc863'
+            else:
+                color_code = '4178bc'
         else:
             color_code = 'C20000'
         html = '<span style="color: #{};">{}</span>˓→'.format(color_code, obj.name)
diff --git a/aitrainer_backoffice/aitrainer_backoffice/models.py b/aitrainer_backoffice/aitrainer_backoffice/models.py
index 5d4ed37..2c4bdb6 100644
--- a/aitrainer_backoffice/aitrainer_backoffice/models.py
+++ b/aitrainer_backoffice/aitrainer_backoffice/models.py
@@ -39,6 +39,7 @@ class ExerciseType(models.Model):
     unit_quantity_unit = models.CharField(choices=UnitTypes.choices, default=UnitTypes.KG, max_length=50, blank=True,
                                           null=True)
     active = models.BooleanField(default=0, blank=True, null=True)
+    base = models.BooleanField(default=0, blank=True, null=True)
 
     class Meta:
         db_table = 'exercise_type'