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Mar 4

What is fasted cardio? The diet that claims to burn fat fast – GQ India

Alex Rodriguez is no stranger to a workout. The Major League Baseball superstar has played 22 seasons and put his body through the ringer when it comes to training and athletic prowess. But even since retiring from the sport, A-Rod hasnt shown any signs of slowing down or wanting to, for that matter.

Perhaps its the fact that he now finds himself betrothed to the ever-svelte and incredibly fit Jennifer Lopez, but the pair have been known to enjoy a sweat-fest together, often sharing their workout to their fans on Instagram.

Earlier this year they ditched sugar and carbs for 10 days (which is the very definition of hell), and now they are championing the latest fitness craze as their workout-of-choice: fasted cardio.

The term has been around for a while, dating back to 1999 when former competitive bodybuilder Bill Phillips published his book, Body for Life. But is it just a matter of waiting 30 minutes after your last meal, or is there more involved?

As the name suggests, the technique involves performing 20 minutes of intense aerobic activity after an overnight fast. Phillips believed this type of workout was more effective in burning fat than performing an entire hour of cardio post-breakfast, according to an article in Strength & Conditioning Journal.

For Phillips, his mentality was that exercising on an empty stomach means that stored fat is burned first, rather than the carbohydrates one would have consumed for their morning meal.

Bypassing your morning breakfast before hitting the gym wont harm you, but it also isnt entirely risk free. Those who do it may feel lightheaded, dizzy, or too weak to complete their workouts.

According to Dr. Ankit Shah, M.D., Director of Sports & Performance Cardiology at MedStar Health hospitals, the evidence is inconclusive. In an interview with Mens Health he said, Theoretically, when exercising in a fasted state, your body preferentially burns fat for energy as your carbohydrate levels and insulin levels are low when fasting. This can help trim your body fat percentage.

But Shah does not believe fasted cardio is a good long-term solution to fat loss. The reason for his view is that the body eventually burns fewer calories in an attempt to preserve stored fat.

As Brad Schoenfeld, Ph.D. suggests in the book Strength & Conditioning, Fat burning must be considered over the course of days not on an hour-to-hour basis to get a meaningful perspective on its impact on body composition.

Schoenfeld adds, As a general rule, if you burn more carbohydrate during a workout, you inevitably burn more fat in the post exercise period and vice versa.

In a 2016 study, scientists discovered that people who fasted may burn more fat, but other research conducted in subsequent years has shown no difference between fasted and fed cardio states.

Ultimately, theres a small chance you could burn a little more fat by doing fasted cardio but this isnt a proven strategy and its also one that could be unsustainable for most. If youre really focused on cutting fat, do the basic, known methods: cut out junk food and simply move more. Yep, its that simple.

As Shah advises, For most people, I recommend focusing on skipping that extra soda, cookie or bag of chips, and eating a well-balanced diet which includes a mindful caloric restriction. This should be combined with increasing the amount of aerobic exercise to achieve sustainable results with respect to aerobic fitness, weight loss, and cardiovascular health.

via gq.com.au

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