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As the world gets more technological by the second, the possibility of being stuck behind a desk all day is very real, so keeping fit is not at the top of our agenda.

Various diets and all sorts of miracle drugs are employed to keep us in 'good health'. But have you ever thought of karate or other forms of self-defence as exercise? If you think about it, it makes perfect sense. Like swimming, if you stick with it long enough, you may not get into competition, but you will have a better body. Some martial arts centres also provide weight training and other 'regular' gym activities so you can get the best of both worlds in one location.

Kickboxing is another 'kick-butt' sport. Although it may seem as if every new exercise trend is hailed as "a full-body workout", these classes can come pretty close. If you do the punches with precision and power, you'll strengthen your upper body and eventually see more muscle definition. The kicks will strengthen your legs, especially the hamstrings. All of the moves, when done correctly, will make your torso into a solid base that lets you do everyday tasks more easily.

Your cardiovascular system will benefit too, though how much depends on the class. Some teachers offer a truly aerobic workout so they keep you moving amidst the punches and kicks, so your heart rate stays elevated for most of the session. Other teachers may not have you move around as much, but a good class will leave you sweaty and energised. Aside from the physical benefits, there are mental advantages.

"It definitely helps me to control my aggression," notes Ricardo, who has been kickboxing for two years. He started because he wanted to try something different with his weekly cardio routine. He said that there are meditation exercises after the workout and self-defence moves are also taught. But they are taught to avoid using the techniques outside the fitness centre.

"Whenever we spar, the emphasis is not to strike the opponent unless we're wearing full pads. So you have to know how to hold back." He said that there are women in the class, and recommends other women try it both for health and safety.

"So apart from improving your mind and body, there is also the obvious benefit of gaining knowledge that could save your life or that of someone dear to you."