Im 17 and i want to start working out again to get bigger arms and harder abs i get lost in the gym kinda cause i want to have a set up system like work tris and biceps one day then cardio the next but i dont know an affective routine and im not to familair with the technical terms for workouts so can someone dumb it down to my level so i can have a good system going and get in shape i weigh in at like 150-160 if that has to do with anything the gym at my appts dosnt have free weights so i cant bench press really the have a machine that is similar but you dont lay down i do my cardio on the tredmill and bike machine but usually i just do everything on one day cause i dont know a good system and then im totally worn out can someone please help me get a good routine for beginners so i can start working out better and get good shape please thanks.