diff --git a/lib/widgets/exercises/exercises.dart b/lib/widgets/exercises/exercises.dart
index 74b6beed..60af3b76 100644
--- a/lib/widgets/exercises/exercises.dart
+++ b/lib/widgets/exercises/exercises.dart
@@ -338,7 +338,8 @@ class MuscleWidget extends StatelessWidget {
     this.isFront = true,
   }) {
     this.muscles = muscles.where((m) => m.isFront == isFront).toList();
-    this.musclesSecondary = musclesSecondary.where((m) => m.isFront == isFront).toList();
+    this.musclesSecondary =
+        musclesSecondary.where((m) => m.isFront == isFront).toList();
   }
 
   @override
@@ -349,7 +350,7 @@ class MuscleWidget extends StatelessWidget {
       children: [
         SvgPicture.asset('assets/images/muscles/$background.svg'),
         ...muscles.map((m) => SvgPicture.asset('assets/images/muscles/main/muscle-${m.id}.svg')),
-        ...musclesSecondary.map((m) => SvgPicture.asset(
+        ...musclesSecondary.where((m) => !muscles.contains(m)).map((m) => SvgPicture.asset(
               'assets/images/muscles/secondary/muscle-${m.id}.svg',
             )),
       ],