the Benefits of physical fitness

Exercise, physical activity and physical fitness are three sides to a vital aspect of healthy living. This website and blog are designed to review what we know about these factors and the findings of new research in this field. We know plenty but there is still plenty which we do not know or about which there is uncertainty. It is an evolving science – our understanding of the benefits of exercise and physical fitness is continually being updated by the scientists who investigate the subject. This blog will keep you in touch with these developments. It may even persuade the uncommitted to take up or increase their exercising…..Here’s hoping.

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THE BLOG

WHAT IS PHYSICAL FITNESS?

WHAT IS PHYSICAL FITNESS?

There are all sorts of aspects of physical fitness - muscle strength, balance, flexibility to mention a few. The aspect which interests me and is the subject of my blogs is aerobic fitness otherwise known as cardio-respiratory fitness (CRF).   It is the measure of our...

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MEASURING EXERCISE DOSE

MEASURING EXERCISE DOSE

 Why measure exercise dose? You might wonder why it is helpful to regard exercise as a “dose” let alone measure it. Two reasons pop into my mind: Because of its widespread health benefits, exercise can be equated to medication. How big a dose is needed to help weight...

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EXERCISE AND OXYGEN

EXERCISE AND OXYGEN

The energy required by muscles to contract is produced by complex biochemical reactions. A critical contributor to the process is oxygen (O2).   Oxygen comprises about 20% of the air we breathe. It is absorbed from the lungs onto the haemoglobin molecules in the...

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MORE ABOUT MUSCLES

MORE ABOUT MUSCLES

  There are two broad categories of exercise. Dynamic or isotonic exercise is that which uses the regular, purposeful movement of joints and large muscle groups, particularly their Type I fibres. Isometric exercise, on the other hand, involves static contraction...

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