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It won't help you to lose weight, but researchers claim that exercising for just one minute a day, three times a week, could be enough to prevent type 2 diabetes.
Scientists at the University of Bath asked volunteers to perform two 20-second cycle sprints on exercise bikes, three times per week.
After six weeks, researchers saw a 28 per cent improvement in their insulin function.
Type 2 diabetes occurs when blood sugar levels become dangerously high, often as a result of a sedentary lifestyle.
Regular exercise can help to keep blood sugar levels low, but two thirds of Britons aren't getting the recommended five 30-minutes sessions per week.
Dr Neils Vollaard, who is leading the study, said: "Our muscles have sugar stores, called glycogen, for use during exercise.
"To restock these after exercise, the muscle need to take up sugar from the blood.
"In inactive people there is less need for the muscles to do this, which can lead to poor sensitivity to insulin, high blood sugar levels, and eventually type 2 diabetes.
"We already knew that very intense sprint training can improve insulin sensitivity but we wanted to see if the exercise sessions could be made easier and shorter."
In the study, the resistance on the exercise bikes could be rapidly increased so that volunteers were able to briefly exercise at much higher intensities than they would on a normal bike.
With an undemanding warm-up and cool-down, the total time of each session was only 10 minutes.
Dr Vollaard says: "We know of no quicker and easier way of getting the muscles to use glycogen than with the short sprints we used in our study.
"These sprints break down as much glycogen in 20 seconds as moderate endurance exercise would in an hour.
"This is completely new. No one has ever found a programme this easy and short to provide health benefits.
"At the moment it has only been done in lab conditions but it would be easy to create a bike that does this in a gym setting."
Although this type of exercise doesn't burn enough calories to result in weight loss, it was shown to improve general fitness.
Do you take exercise every day? Let us know below...
Click on the image below for some great winter workouts...
- Running<p> Cold-weather running is great exercise provided you're dressed for the occasion. Allow yourself enough time for a proper indoor warm-up, make sure your trainers are completely waterproof, dress in layers to avoid overheating (a pair of gloves will come in handy) and remember to stay hydrated and well-fuelled.</p>
- Cross-country skiing<p> Strap on those skis and head out for an hour of cross-country skiing - you can burn 550+ calories per hour (just make sure you have all the right gear). This form of exercise involves both your upper and lower body and is a great cardio workout. If there's no snow, get a similar (but not quite as body-beneficial) experience on the elliptical machine.</p>
- Mall-walking<p> Instead of buying all of your presents online this year, head out to the shops. Walking at a brisk pace burns around 300 calories an hour with the bonus of encouraging window shopping while you're at it.</p>
- Shovelling snow<p> It may not be your favourite thing to do in the world, but shovelling snow is a great workout that can burn around 400 calories an hour. Try to keep feet and shoulders facing the shovel to avoid the risk of back injury.</p>
- Sledding<p> A great activity for the whole family, sledding is also good exercise - you are walking up a hill repeatedly, carrying a heavy sled, after all. But you'll be so busy having fun you won't even notice how much your muscles are working.</p>
- Snowboarding<p> Feeling like a bit of a daredevil this season? Snowboarding is one way to channel your energy, and can burn a whopping 450 calories an hour. You'll burn even more cals - and feel even better on the slopes - if you do some advance strength and core training in the weeks beforehand.</p>
- Snowshoeing<p> Instead of lamenting the snow outside, use it to your advantage and go snowshoeing. This fun outdoor activity burns up to eight cals a minute while helping tone your legs, arms and abs. Plus, there's nothing quite so peaceful as walking through quiet country trails.</p>
- Ice skating<p> Ice skating is one of our favourite winter pastimes, whether we're hanging out with friends or lacing up for a romantic date. It's also good for our waistlines - an average person can burn up to 500 calories an hour if skating continuously. Hitting the ice helps to tone legs and strengthen abs, too. </p>
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