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11 amazing ways your body changes when you start exercising.

Whether you’re a complete beginner or a “new-starter”, you might be wondering how physical activity will impact you and your health. Well, there is some great news! Exercising will not only change your lifestyle but will also have some amazing health benefits that you’ll see and feel on your body from head to toe.
So, how long does it take to see changes in body from working out? You might be surprised, but the benefits of exercising start from day one. But don’t be disappointed if not all of them come at once. There are definitely some changes that will only arrive after a while.

Increases Brain Function

When you exercise, the body pumps more blood to the muscles. This increase is also extremely beneficial to the brain. The brain cells start to function at a higher level, the increase in blood flow will make you more alert and awake and much more focused.

Boosted Mood

When you exercise, we all know there is going to be some degree of pain. As a response to this pain the body releases chemicals. Probably the most well-known chemical is Endorphins. This chemical is often the source of euphoria, and can suppress the pain, and boost your mood, so you can push even harder! Also, when you’ve finished exercising the brain keeps releasing this chemical, which will elevate your mood for the whole day.

Body fat reduction

When you start to exercise your body’s energy expenditure increases. Primarily this comes from our Glucose stores, which is stored in the body as Glycogen. This is generated by the liver when it processes all of the carbohydrates we eat. When we exercise, we deplete these stores, and the body then starts turning fat and protein into glucose to help meet the demands. So, your fat stores will be better used once you start regular training. Remember though, if you want to maintain your fat loss, you’ll have to keep those calories in check!

Improved energy

The results of exercising can often be seen after the very first sessions. It only takes a few cardio and weight training workouts to feel fitter and have improved energy levels. Mitochondria in your cells are the ‘Power Generators” of your cells. These will increase rapidly once you start exercising. They turn oxygen and nutrients into ATP (adenosine triphosphate). This powers the metabolic activity in your cells. As your cells have more of these mitochondria your energy production will become more efficient.

Better Health

These mitochondria, as described above, also protect your cells and make them stronger, which will lead to an improvement in your general health.

Muscle mass

Regular training will help to develop your muscle mass, which in turn will improve the way you look and feel. Your friends and family will start to see your progress, noticing the changes in your shape. Another great benefit to improving muscle mass is that more muscle protects your joints by giving them more support and stability.
More muscle mass also leads to an increase in your metabolic rate, which will help you to burn more calories at rest 24/7!

Day to day benefits

The fitter and stronger you become, your day-to-day activities will seem lots easier and more manageable. Like carrying heavy shopping bags, running for the bus, and climbing those stairs!


When you exercise your body needs more oxygen, so your heart rate increases to pump more blood and increase oxygen circulation. After a short period of time and consistent training your heart will grow in size, and as a result it will get stronger and more efficient. Your resting heart rate and blood pressure will decrease, which in turn lowers the risk of a heart attacks, diabetes and strokes.


The muscles of the ribcage assist the diaphragm to pull in up to 15 times more oxygen than at rest, thus improving your lung capacity and function.


Exercise improves blood flow all over, including your skin. That increase in circulation dilates blood vessels, which brings more nutrients and oxygen to support skin cells. You can generally tell how healthy someone is by looking at their skin, and a lot of that bright complexion everyone wants is a product of good blood flow.


High-impact and weightlifting exercises stimulate bone formation and reduce the rate of calcium loss as we get older, this helps prevent osteoporosis. Osteoporosis is a bone disease that occurs when the body loses too much bone, makes too little bone, or both. As a result, your bones become weak and may break from a fall or, in serious cases, from sneezing or minor bumps.

To sum up, there are so many reasons to start exercising, the benefits are huge. You may notice that there are quite a lot of these benefits that are not related to what you look like, that happen inside the body. So, deciding to get fit shouldn’t only be determined by trying to look better, but by trying to improve all of your body’s functions, both physically and mentally, inside, and out! Want some help getting started? Book in for a personal training session and have a coach guide you to make the most of your time and effort. Find out more about personal training here

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