public async Task <ActionResult <MuscleGroup> > GetMuscleGroupByMuscleGroupIdAsync(int muscleGroupId)
        {
            MuscleGroup dbMuscleGroup = await _repository.GetMuscleGroupAsync(muscleGroupId);

            if (dbMuscleGroup == null)
            {
                return(NotFound());
            }

            return(Ok(_mapper.Map <Data.Models.MuscleGroup>(dbMuscleGroup)));
        }