diff --git a/src/components/ExerciseList.vue b/src/components/ExerciseList.vue
index a2a83f1..517b7f4 100644
--- a/src/components/ExerciseList.vue
+++ b/src/components/ExerciseList.vue
@@ -7,11 +7,11 @@
     <div class="flex">
     <div class="exerciseList">
       <ul class="exerciseItem" v-for="exercise in filterExercises()" :key="exercise.name">
-        <button @click="exerciseClick(exercise); initSetInput()" class="btn bg-secondary-button hover:bg-accent text-white font-bold py-2 px-2 rounded" >{{ exercise.name }}</button>
+        <button @click="exerciseClick(exercise); initSetInput()" :class="isActiveExercise(exercise.name)" >{{ exercise.name }}</button>
       </ul>
     </div>
     <div v-if="selectedExercise">
-      <WeightsInput :selectedExercise="selectedExercise"></WeightsInput>
+      <WeightsInput :muscle="muscle" :selectedExercise="selectedExercise"></WeightsInput>
     </div>
   </div>
 </template>
@@ -23,7 +23,7 @@
   import WeightsInput from "@/views/weight/WeightsInput.vue";
   import { useWeightInputStore } from '@/stores/storeInput';
 
-  const muscle = defineProps({
+  const props = defineProps({
       muscle: String,
   })
 
@@ -34,7 +34,7 @@
 
   onMounted(async () => {
         await json.fetchMuscleExercise()
-        switch (muscle.muscle) {
+        switch (props.muscle) {
           case "Legs":
               exercises.value = json.exerciseList.muscle[0].exercises
               break;
@@ -65,12 +65,17 @@
     });
   };
 
+  function isActiveExercise(exercise){
+    //TODO: Implement (exercise in weightInput.exercises) to show which exercise are edited, or put them in a proper seperate list
+    return { 'exercise-list-button': selectedExercise.value !== exercise, 'exercise-list-button-active': selectedExercise.value === exercise};
+  };
+
   const exerciseClick = (exercise) => {
-    selectedExercise.value = exercise;
+    selectedExercise.value = exercise.name;
   };
 
   const initSetInput = () => {
-    weightInput.initSetsInputs(selectedExercise.value);
+    weightInput.initSetsInputs(props.muscle, selectedExercise.value);
   };
 
 </script>
@@ -85,6 +90,14 @@
     margin-top: 0.5rem;
 }
 
+.exercise-list-button {
+  @apply bg-secondary-button hover:bg-accent text-white font-bold py-2 px-2 rounded;
+}
+
+.exercise-list-button-active {
+  @apply bg-accent text-white font-bold py-2 px-2 rounded;
+}
+
 .search{
     width: auto;
     height: 2rem;
@@ -112,4 +125,4 @@
     color: white;
 
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/src/router/index.js b/src/router/index.js
index d539763..3529644 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -1,6 +1,6 @@
 import { createRouter, createWebHistory } from 'vue-router'
 import HomeView from '../views/Home.vue'
-import MusclesRouter from './muscle.js';
+import MusclesRouter from './Muscle.js';
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
diff --git a/src/stores/storeInput.js b/src/stores/storeInput.js
index 2481e6c..ecb687a 100644
--- a/src/stores/storeInput.js
+++ b/src/stores/storeInput.js
@@ -6,79 +6,86 @@ export const useWeightInputStore = defineStore('weightInput', () => {
     // localStorage https://vueuse.org/core/useLocalStorage/
     const exercises = useLocalStorage('exercises', {});
     
-    function addWorkingSet(selectedExercise) {
-        if (!exercises.value[selectedExercise]) {
+    function addWorkingSet(muscle, selectedExercise) {
+        if (!exercises.value[muscle][selectedExercise]) {
             return;
           }
-          exercises.value[selectedExercise].workingSet.push({
+          exercises.value[muscle][selectedExercise].workingSet.push({
             workingSetReps: [],
             workingSetWeight: [],
           });
 
-          console.log('Added working set:', exercises.value[selectedExercise]);
+          console.log('Added working set:', exercises.value[muscle][selectedExercise]);
     }
 
-    function addWarmUpSet(selectedExercise) {
-       if (!exercises.value[selectedExercise]) {
+    function addWarmUpSet(muscle, selectedExercise) {
+       if (!exercises.value[muscle][selectedExercise]) {
            return;
           }
-          exercises.value[selectedExercise].warmUpSet.push({
+          exercises.value[muscle][selectedExercise].warmUpSet.push({
             warmSetReps: [],
             warmSetWeight: [],
           });
     }
 
-    function removeWorkingSet(selectedExercise) {
-        if(!exercises.value[selectedExercise]) {
+    function removeWorkingSet(muscle, selectedExercise) {
+        if(!exercises.value[muscle][selectedExercise]) {
           return
         }
-        exercises.value[selectedExercise].workingSet.pop({
+        exercises.value[muscle][selectedExercise].workingSet.pop({
           workingSetReps: [],
           workingSetsWeight: [],
         })
     }
     
-    function removeWarmUpSet(selectedExercise) {
-        if(!exercises.value[selectedExercise]) {
+    function removeWarmUpSet(muscle, selectedExercise) {
+        if(!exercises.value[muscle][selectedExercise]) {
           return;
         }
-        exercises.value[selectedExercise].warmUpSet.pop({
+        exercises.value[muscle][selectedExercise].warmUpSet.pop({
           warmUpSetReps: [],
           warmUpSetsWeight: [],
         })
     }
 
-    function getWorkingSetCount(selectedExercise) {
-        if (exercises.value[selectedExercise]) {
-          return exercises.value[selectedExercise].workingSet.length;
+    function getWorkingSetCount(muscle, selectedExercise) {
+        if (exercises.value[muscle][selectedExercise]) {
+          return exercises.value[muscle][selectedExercise].workingSet.length;
         }
         return 1;
       }
     
-      function getWarmUpSetCount(selectedExercise) {
-        if (exercises.value[selectedExercise]) {
-          return exercises.value[selectedExercise].warmUpSet.length;
+      function getWarmUpSetCount(muscle, selectedExercise) {
+        if (exercises.value[muscle][selectedExercise]) {
+          return exercises.value[muscle][selectedExercise].warmUpSet.length;
         }
         return 1;
       }
 
-      function initSetsInputs(selectedExercise) {
-        if(!exercises.value[selectedExercise]) {
-            exercises.value[selectedExercise] = {
-                workingSet: [],
-                warmUpSet: [],
-              };
-          exercises.value[selectedExercise].workingSet.push({
+      function initSetsInputs(muscle, selectedExercise) {
+        if (!exercises.value[muscle]) {
+          exercises.value[muscle] = {};
+        }
+
+        if (!exercises.value[muscle][selectedExercise]) {
+          exercises.value[muscle][selectedExercise] = {
+            workingSet: [],
+            warmUpSet: [],
+          };
+
+          exercises.value[muscle][selectedExercise].workingSet.push({
             workingSetReps: [],
             workingSetWeight: [],
           });
-          exercises.value[selectedExercise].warmUpSet.push({
+
+          exercises.value[muscle][selectedExercise].warmUpSet.push({
             warmSetReps: [],
             warmSetWeight: [],
           });
         }
-        console.log('Init sets inputs:', exercises.value[selectedExercise], selectedExercise);
-      }     
+
+        console.log('Init sets inputs:', exercises.value[muscle][selectedExercise], selectedExercise);
+      }
 
     return { 
       exercises, 
@@ -91,4 +98,4 @@ export const useWeightInputStore = defineStore('weightInput', () => {
       initSetsInputs }
 
     }
-)
\ No newline at end of file
+)
diff --git a/src/views/weight/WeightsInput.vue b/src/views/weight/WeightsInput.vue
index ca4471a..f125676 100644
--- a/src/views/weight/WeightsInput.vue
+++ b/src/views/weight/WeightsInput.vue
@@ -3,18 +3,18 @@
     <div class="w-2/3 mx-auto">
       <div class="mt-2">
         <label>Warm-Up Sets</label>
-        <button @click="weightInput.addWarmUpSet(selectedExercise)" 
+        <button @click="weightInput.addWarmUpSet(muscle, selectedExercise)"
                 class="bg-accent hover:bg-primary-button text-white font-bold py-2 px-2 rounded ml-5">
                 Add
         </button>
         <!-- https://www.designcise.com/web/tutorial/how-to-conditionally-disable-a-button-in-vue-js -->
-        <button :disabled="weightInput.getWarmUpSetCount(selectedExercise) <= 1"
-                @click="weightInput.removeWarmUpSet(selectedExercise)"
+        <button :disabled="weightInput.getWarmUpSetCount(muscle, selectedExercise) <= 1"
+                @click="weightInput.removeWarmUpSet(muscle, selectedExercise)"
                 class="bg-accent hover:bg-primary-button text-white font-bold py-2 px-2 rounded ml-5 disabled:opacity-25">
                 Remove
         </button>
         
-          <div v-for="(warmUpSet, warmUpSetCount) in weightInput.exercises[selectedExercise].warmUpSet" :key="warmUpSetCount" 
+          <div v-for="(warmUpSet, warmUpSetCount) in weightInput.exercises[muscle][selectedExercise].warmUpSet" :key="warmUpSetCount"
           class="flex ml-2">
           <label>Set {{ warmUpSetCount + 1 }}</label>
           <div class="ml-3">
@@ -38,18 +38,18 @@
 
       <div class="working-set mt-5">
         <label>Working Sets</label>
-        <button @click="weightInput.addWorkingSet(selectedExercise.selectedExercise)" 
+        <button @click="weightInput.addWorkingSet(muscle, selectedExercise)"
                 class="bg-accent hover:bg-primary-button text-white font-bold py-2 px-2 rounded ml-7">
                 Add
       </button>
-      <button  :disabled="weightInput.getWorkingSetCount(selectedExercise) <= 1"
-                @click="weightInput.removeWorkingSet(selectedExercise)"
+      <button  :disabled="weightInput.getWorkingSetCount(muscle, selectedExercise) <= 1"
+                @click="weightInput.removeWorkingSet(muscle, selectedExercise)"
                 class="bg-accent hover:bg-primary-button text-white font-bold py-2 px-2 rounded ml-5 disabled:opacity-25">
                 Remove
         </button>
         
         <div>
-          <div v-for="(workingset, workingSetCount) in weightInput.exercises[selectedExercise].workingSet" :key="workingSetCount" class="item flex justify-smart mt-1">
+          <div v-for="(workingset, workingSetCount) in weightInput.exercises[muscle][selectedExercise].workingSet" :key="workingSetCount" class="item flex justify-smart mt-1">
             <label class=""> {{ workingSetCount + 1 }}. Set</label>
           <div class="ml-3">
             <input
@@ -79,11 +79,12 @@
 import { useWeightInputStore } from '@/stores/storeInput';
 import { ref } from 'vue';
 
-const selectedExercise = defineProps({
-  selectedExercise: String
+const props = defineProps({
+  muscle: String,
+  selectedExercise: String,
 });
 
 const weightInput = useWeightInputStore();
-weightInput.selectedExercise = ref(selectedExercise.selectedExercise);
+weightInput.selectedExercise = ref(props.selectedExercise);
 
-</script>
\ No newline at end of file
+</script>