Exercising is considered one of the best weapons against heart plaque buildup, heart attack and stroke, but what kind of exercise is the best?
JAMA Cardiology has just published a study that answers this question.
The fat around your heart can appear in one of two places. Epicardial fat appears in the tissue closest to your heart, whereas pericardial fat shows up in the cavity around your heart.
Both types are bad for you, but more time has been spent studying epicardial fat, so we know it’s a major risk factor for atherosclerosis, insulin resistance, high fasting glucose, and abdominal fat deposits, all of which are extremely unhealthy.
Pericardial fat is less well studied, but we know that it definitely contributes to atherosclerosis (which is when your arteries narrow, restricting and even cutting off blood flow).
The authors of the new study decided to find out whether endurance or resistance exercise was as good at reducing these harmful types of fat as they were at reducing abdominal fat.
They split their 50 participants into three groups: one that performed high-intensity interval endurance training three times a week for 45 minutes each, one that performed resistance training three times a week for 45 minutes each, and one that performed no exercise at all.
The endurance training consisted of exercise on a stationary bicycle, whereas the resistance group had to do weight training with medium-heavy weights.
Before the study, all the participants were inactive, with a high body-mass index score and abdominal fat.
The scientists measured their cardiac fat via MRI (magnetic resonance imaging) during and after the study.
The endurance and resistance exercise groups reduced their epicardial fat by eight and nine grams respectively by the end of the study. The no-exercise group saw no changes.
The resistance exercise group reduced their pericardial fat by 34 grams, whereas the other two groups saw no change.
That’s an impressive result. It means that you should be doing some sort of exercise on a regular basis at the very least, but you shouldn’t just limit yourself to the usual ones such as running and cycling.
Endurance work will improve your cardiorespiratory fitness, but it won’t make you stronger.
In comparison, resistance training will improve both, and now you know that it will reduce your dangerous heart fat too. We’d call that a pretty good return on your effort!
The best approach is to give both these types of exercise some room in your training routine to keep you fit and keep your heart healthy.
And if your blood pressure is too high, discover how three easy exercises drop blood pressure below 120/80 in as little as nine minutes…
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