public void UpdateSportsScienceExercise(SportsScienceExercise exercise, int id)
 {
     if (id != 0)
     {
         exercise.Id = id;
         _sportsScienceExerciseRepository.Update(exercise, id);
     }
 }
 public SportsScienceExercise AddSportsScienceExercise(SportsScienceExercise exercise)
 {
     if (exercise != null)
     {
         return _sportsScienceExerciseRepository.Add(exercise);
     }
     return null;
 }