public ActionResult Edit(int exerciseId)
        {
            var model = new Models.Exercise.EditVM();
            var exerciseBll = new Domain.BLL.ExerciseBLL();
            var machineBll = new Domain.BLL.MachineBLL();
            var loggedUser = Session.GetLoggedUser();
            model.Customers = loggedUser.PessoaEmpresas.Select(pe => pe.Empresas).ToList();
            model.Exercise = exerciseBll.Get(exerciseId);
            model.ExerciseTypes = exerciseBll.GetExerciseTypes();
            model.ExerciseMuscleGroups = exerciseBll.GetMuscleGroups();
            if (model.Exercise == null)
            {
                model.Exercise = new Domain.Repository.Exercicios();
            }
            else
            {
                model.Exercise.ExercicioEquipamentos = exerciseBll.GetExerciseEquipamentos(exerciseId);
            }
            model.Machines = machineBll.GetMachines(loggedUser.PessoaEmpresas);

            model.MachineTypes = machineBll.GetMachineTypes();
            return View(model);
        }