Is It Better To Do Cardio Before Or After Resistance Training?

By Howe Russ


Should you do cardio before or after weights when you're trying to build a leaner physique? If you're trying to learn the basic principles of how to lose weight, today we will answer this popular question for you.

For many years, this was a subject which was usually answered with personal opinion. There was no real proof whether it was more effective to perform cardiovascular activity before or after a workout, so most people would simply do what worked for their own body and pass on their findings to others.

Recent studies showed beyond any doubt that performing a cardiovascular workout before resistance training was far more effective than doing it the other way around. Today we'll be delving into two of the most well documented studies in this area, showing you why they reached their controversial conclusions. []

Participants in a study at the James Maddison University were subjected to an exercise program over a number of months where one group followed a cardio/weights spit and the others followed a weights/cardio split. The muscle growth in those who did their resistance training first was substantially lower than those on the opposite routine.

When it came to fat loss, the results were very similar. The Journal Of Strength And Conditioning recently commissioned a study which discovered that fat loss results were substantially higher by performing aerobic activity prior to resistance training.

Those facts may be controversial to many fitness enthusiasts, who opt to perform their resistance training first. The theory behind that method is that they don't want their muscles to be tired by aerobic exercise when they begin pushing out repetitions. This makes sense and it's an approach which does yield results. However, science suggests that switching them around is far superior for both fat loss and lean muscle development.

There are two key enzymes which play important roles here:

* AMPK

* Mammalian Target Of Rapamycin (also called mTOR for short!)

While mTOR is the enzyme responsible for kick-starting the body into the muscle building process at the end of a tough resistance workout, AMPK gets released during aerobic activity to adjust the body for endurance. For around 60 minutes after a workout you'll have a surge of mTOR, meaning the golden window for nutrition is this period if your goal is to gain lean muscle and burn excess fat. This surge lasts around 6 hours. []

If you finish your weight training and then sit on a bike for 45 minutes you have not only wasted the bulk of your golden nutrition window, you have also made a fatal mistake. When the body releases AMPK, i.e. during cardiovascular exercise, this hormone doesn't co-exist with mTOR and actually kills it off.

So, should you do cardio before or after weights? Whether you want to learn how to lose weight or how to pack on lean muscle, recent science is heavily on the side of performing your aerobic activity before you pick up a dumbbell.




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