Should I do cardio training before or after weight training?
Learn How To Maximize Your Workouts
Unless you are doing an intense cardio workout or an intense weight training workout, when you do cardio isn't super important. If you ARE doing an intense workout, then here are some pointers I will give you to be sure you aren't working out with an empty tank. However, whether you are going moderate or intense, there are some major NO-NO's when it comes to working out.
First, NEVER, I repeat, NEVER workout first thing in the morning without eating. Some people think you will be burning more fat if you workout first thing before eating breakfast, but you are actually not doing your body any favors! In fact, you could be harming your body. Your body won't go after the fat, since fat burn doesn't happen until about 2 hours after you exercise. Instead, it's going to pull energy from your muscles. So, unless you want to look scrawny and lose muscle, don't work out on an empty stomach. You must fuel your body before pushing your body or you will run out of steam!
If you are going to be doing an intense weight lifting session, and you must do cardio that same day, then do your cardio AFTER your weight training. An intense cardio workout almost completely depletes your glycogen stores. (glycogen is basically your body's energy storage) If you do cardio before your weight training, then you won't have any glycogen stores left to help assist you with your weights and you may risk injury as well as not having a very effective weight training workout.
Ideally, do cardio and weight training on separate days. If this is not possible, try to do cardio atleast 2 hours before or after your weight training giving yourself time to restore your glycogen stores. If that is still not possible, doing cardio right after weights is way better than doing it before weights since weight lifting doesn't deplete your glycogen stores as bad as it does in cardio workouts. Another thing is if your cardio workout is relatively short and low/very low intensity then its all right to hit the weights right after.
If you are doing moderate weight training and moderate cardio training then doing them on the same day in any order is fine. Because you really won't be depleting your glycogen stores, you will be safe working out moderately with both areas of training.