A trainer breaks down how to perform five of his best weight-lifting workouts for weight loss to help you slim down and gain lean muscle.

Should you do cardio before or after weights? Do cardio before lifting weights for endurance and cardio after weights for fat loss and building muscle.

How you choose to schedule your cardio and weight sessions can play a major role in helping you hit your goals, from gaining functional strength for everyday life to PRing in a marathon. However, the wrong cardio and weight training combo also has the potential to work against you.