diff --git a/gym/admin.py b/gym/admin.py
index 5e0ff2d..644eda5 100644
--- a/gym/admin.py
+++ b/gym/admin.py
@@ -5,27 +5,37 @@ from gym.models import Room, Equipment, TheoreticalMax, Session, Round, Unit, Wo
 
 @admin.register(Room)
 class RoomAdmin(admin.ModelAdmin):
-    pass
+    list_display = ['name']
 
 
 @admin.register(Equipment)
 class EquipmentAdmin(admin.ModelAdmin):
-    pass
+    list_display = ['name', 'room', 'unit', 'last_theoretical_max', 'default_work_form', 'default_repetition_number']
+    list_editable = ['default_work_form', 'default_repetition_number']
+    list_filter = ['room', 'unit', 'default_work_form']
 
 
 @admin.register(TheoreticalMax)
 class TheoreticalMaxAdmin(admin.ModelAdmin):
-    pass
+    list_display = ['equipment', 'date', 'value']
+    list_display_links = ['equipment', 'date']
+    list_filter = ['equipment']
+    date_hierarchy = 'date'
 
 
 @admin.register(Session)
 class SessionAdmin(admin.ModelAdmin):
-    pass
+    list_display = ['start', 'room', 'default_theoretical_max_percentage']
+    list_filter = ['room']
+    date_hierarchy = 'start'
 
 
 @admin.register(Round)
 class RoundAdmin(admin.ModelAdmin):
-    pass
+    list_display = ['equipment', 'session', 'repetition_number', 'theoretical_max_percentage', 'chosen_weight', 'work_form']
+    list_display_links = ['equipment', 'session']
+    list_filter = ['equipment', 'work_form']
+    date_hierarchy = 'session__start'
 
 
 @admin.register(Unit)
diff --git a/gym/models.py b/gym/models.py
index e073a9e..d59c383 100644
--- a/gym/models.py
+++ b/gym/models.py
@@ -106,7 +106,7 @@ class TheoreticalMax(models.Model):
     value = models.FloatField('valeur')
 
     def __str__(self):
-        return f'{self.value} {self.equipment.unit.name} le {self.date}'
+        return f'{self.value} {self.equipment.unit.name} le {self.date:%d/%m/%Y}'
 
 
 class Session(models.Model):
@@ -127,10 +127,8 @@ class Session(models.Model):
 
     def __str__(self):
         import pytz
-        print(self.start)
         server_timezone = pytz.timezone(settings.TIME_ZONE)
         server = server_timezone.normalize(self.start.astimezone(server_timezone))
-        print(server)
         return f'{self.room} {server:%d/%m/%Y %H:%M} ({settings.TIME_ZONE})'