We all love to get the most out of our workouts, but what if we could be more efficient?
If you're looking for the best way to burn off a huge amount of calories, go for something intense, short in duration and super competitive.
But there are also extremely simple forms of exercise you can do that burn a surprising number of calories.
The most important thing of course is to find something that you enjoy doing!
READ MORE: How many calories do you really need?
Each of these calorie estimates have been taken for an average 75kg person, but of course will vary depending on your fitness level and muscle mass.
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Calories burnt in 15 minutes:Â 73
Calories burnt in 15 minutes:Â 175
Calories burnt in 15 minutes:Â 108
Calories burnt in 15 minutes:Â 173
Calories burnt in 15 minutes:Â 140
Calories burnt in 15 minutes:Â 220
Calories burnt in 15 minutes:Â 140
Calories burnt in 15 minutes: 60
Calories burnt in 15 minutes: 180
Calories burnt in 15 minutes: 40
Calories burnt in 15 minutes: 220
Calories burnt in 15 minutes: 220
Calories burnt in 15 minutes: 70
Calories burnt in 15 minutes: 40
Calories burnt in 15 minutes:Â 180
Calories burnt in 15 minutes:Â 140
Calories burnt in 15 minutes:Â 40
Calories burnt in 15 minutes:Â 110
Calories burnt in 15 minutes:Â 220