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21:26!!! 5km on der Concept2, A whole 22 seconds quicker.
Only 15 minutes of exercise a day can boost life expectancy, say scientists. Here’s how to make those 15 minutes count
It sounds great, doesn’t it? Exercising for 15 minutes a day will extend your life expectancy by three years, according to a Taiwanese study reported in The Lancet last week. Getting away with a quarter of an hour’s exercise is a lovely idea but, of course, it’s not that simple. Just pootling to work on your bike for a quarter of an hour will deliver negligible fitness benefits. The good news is that if you’re prepared to work really hard within that time you can make a difference to your body and overall fitness.
The 15-minute cardio workout
To make those minutes count, try going for a real blast with a routine that involves four different types of cardio machine.
But if you really want to keep things simple, all you need is a rowing machine. Rowing is the single toughest exercise in the gym. Every cardio exercise, from gardening upwards, has what is called a “met” rate, the number of calories that you burn per kilo of your weight per hour. So if something is 10 mets and you weigh 70kg , you would burn 700 calories an hour. Walking has a met rate of between 4 and 6, but rowing is between 13 and 15. It’s vital to use it in training.
The Concept 2 machine is the most common. If you’re using one, set it to a level of between 7 and 10 and aim to do the following: 1,000m, 750m, 500m, 250m,with a rest in between of about 1 minute. While you’re rowing, keep your torso upright; don’t lean back or bend forward too far.
"Never argue with stupid people, they will drag you down to their level and beat you with experience". Mark Twain
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