You Body is designed to move - more on the 3 minute workout sessions

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Sedentary lifestyles are not meant for the human being. Sitting behind computers 8 hours a day with the only body movements (other than finger typing) are to go to the loo or photocopier. Other than that, the next best thing we move our bodies for are pushing the trolley down supermarket aisles.
Our bodies were meant to go and pick fruit from trees, plant veggies, chop wood, hunt animals (though to keep things strictly halaal, you could only hunt for sustenance and not for trophies).
Modern lifestyles are centred around being sedentary. The best form of relaxation - doing nothing, or activities that involve little or no movement. The best jobs require little physical movement. All our ambitions, our ideals are centred around activities that require little from us in the way of physical movement. And if one does realise the need for exercise, you pay for gym memberships, personal trainers, exercise equipment, special technologically advanced sportswear..
The billionaire lifestyle that many of us shoot for, involve many hours of doing nothing for your body. And if we do, we spend it on spa treatments to hide or compensate for all our bad choices that now show up on our bodies. We buy beauty and health.
I'm not saying that you shouldn't have ambitions or set billionaire goals. Do it. Not stopping you.
I just advocate keeping as close as possible to the natural way of things. There are many know and unknown yet-to-be-discovered- benefits of keeping things close to natural.
For our bodies, that means moving it as much as possible.
And unlike many other things, the more you use your body, the better and healthier it becomes. The saying "Use it or lose it." really applies here.
If you do not use your muscles, your body will lose the ability, in part or whole, to function that muscle. Muscle fibres will literally waste away. It requires physical movement, pushing your limits slightly to grow your muscles and keep it functioning completely.
The 3 minute workout sessions that I coined here, are not a means to a healthier you. It won't sculpt your body or get it into tip-top shape.
It's a kickstarter for you to get out of sedentary into Fun-active.
It's a lifeline for you when you fell off the wagon and need to get back into an exercise regimen.
It's a small nudge that keeps you going when you feel you don't have the time for the full 45 min workout you regularly do.
In that case, don't forgo exercise. Hold on to it, connect with your body, by doing the 3 mins on that day. Or it maybe 5 or 15 mins for you. It's a personal choice, dependent on time and your individual circumstances. You'll keep the momentum of your exercise regimen by doing those few minutes better than if you skipped it entirely.