diff --git a/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/controller/ExerciseController.java b/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/controller/ExerciseController.java
index d8b156d..ee42d17 100644
--- a/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/controller/ExerciseController.java
+++ b/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/controller/ExerciseController.java
@@ -1,35 +1,44 @@
 package org.athletes.traineatrepeat.controller;
 
-import org.athletes.traineatrepeat.converter.ExerciseConverter;
+import lombok.RequiredArgsConstructor;
 import org.athletes.traineatrepeat.model.request.ExerciseRequest;
 import org.athletes.traineatrepeat.model.response.ExerciseResponse;
-import org.athletes.traineatrepeat.repository.ExerciseRepository;
-import org.athletes.traineatrepeat.repository.dto.ExerciseDTO;
 
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import org.athletes.traineatrepeat.service.ExerciseService;
+
+import java.util.List;
+
 @RestController
 @RequestMapping("/exercises")
+@RequiredArgsConstructor
 public class ExerciseController {
 
-    private final ExerciseRepository repository;
-    private final ExerciseConverter converter;
-
-    public ExerciseController(ExerciseRepository repository, ExerciseConverter converter) {
-        this.repository = repository;
-        this.converter = converter;
-    }
+    private final ExerciseService exerciseService;
 
     @PostMapping("/submit-exercise")
     public ResponseEntity<ExerciseResponse> submitExercise(@RequestBody ExerciseRequest request) {
-        ExerciseDTO dto = converter.fromRequest(request);
-        ExerciseDTO saved = repository.save(dto);
-        ExerciseResponse response = converter.toResponse(saved);
+        ExerciseResponse response = exerciseService.submitExercise(request);
         return ResponseEntity.status(HttpStatus.CREATED).body(response);
     }
+
+    @GetMapping
+    public ResponseEntity<List<ExerciseResponse>> getAllExercises() {
+        List<ExerciseResponse> responses = exerciseService.getAllExercises();
+        return ResponseEntity.ok(responses);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<ExerciseResponse> getExerciseById(@PathVariable String id) {
+        ExerciseResponse response = exerciseService.getExerciseById(id);
+        return ResponseEntity.ok(response);
+    }
 }
\ No newline at end of file
diff --git a/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/repository/ExerciseRepository.java b/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/repository/ExerciseRepository.java
index 5f8d508..f7ab0f3 100644
--- a/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/repository/ExerciseRepository.java
+++ b/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/repository/ExerciseRepository.java
@@ -3,11 +3,37 @@
 import org.athletes.traineatrepeat.repository.dto.ExerciseDTO;
 import org.springframework.stereotype.Repository;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
+
 @Repository
 public class ExerciseRepository {
 
+    private final Map<String, ExerciseDTO> storage = new ConcurrentHashMap<>();
+    private static Long idCounter = 0L;
+
     public ExerciseDTO save(ExerciseDTO dto) {
-        // TODO: Implement save to database logic
-        return dto;
+        String newId = (dto.id() == null || dto.id().isEmpty()) ? String.valueOf(++idCounter) : dto.id();
+
+        ExerciseDTO savedDto = ExerciseDTO.builder()
+                .id(newId)
+                .name(dto.name())
+                .MET(dto.MET())
+                .build();
+
+        storage.put(newId, savedDto);
+        System.out.println("Сохранено упражнение: " + savedDto);
+        return savedDto;
+    }
+
+    public List<ExerciseDTO> findAll() {
+        return new ArrayList<>(storage.values());
+    }
+
+    public Optional<ExerciseDTO> findById(String id) {
+        return Optional.ofNullable(storage.get(id));
     }
 }
\ No newline at end of file
diff --git a/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/service/ExerciseService.java b/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/service/ExerciseService.java
new file mode 100644
index 0000000..a86c653
--- /dev/null
+++ b/train-eat-repeat/src/main/java/org/athletes/traineatrepeat/service/ExerciseService.java
@@ -0,0 +1,39 @@
+package org.athletes.traineatrepeat.service;
+
+import lombok.RequiredArgsConstructor;
+import org.athletes.traineatrepeat.converter.ExerciseConverter;
+import org.athletes.traineatrepeat.model.request.ExerciseRequest;
+import org.athletes.traineatrepeat.model.response.ExerciseResponse;
+import org.athletes.traineatrepeat.repository.ExerciseRepository;
+import org.athletes.traineatrepeat.repository.dto.ExerciseDTO;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class ExerciseService {
+
+    private final ExerciseRepository exerciseRepository;
+    private final ExerciseConverter exerciseConverter;
+
+    public ExerciseResponse submitExercise(ExerciseRequest request) {
+        ExerciseDTO dtoToSave = exerciseConverter.fromRequest(request);
+        ExerciseDTO savedDto = exerciseRepository.save(dtoToSave);
+        return exerciseConverter.toResponse(savedDto);
+    }
+
+    public List<ExerciseResponse> getAllExercises() {
+        List<ExerciseDTO> dtos = exerciseRepository.findAll();
+        return dtos.stream()
+                .map(exerciseConverter::toResponse)
+                .collect(Collectors.toList());
+    }
+
+    public ExerciseResponse getExerciseById(String id) {
+        return exerciseRepository.findById(id)
+                .map(exerciseConverter::toResponse)
+                .orElseThrow(() -> new RuntimeException("Exercise not found with ID: " + id));
+    }
+}
\ No newline at end of file