EXERCISE AND PHYSICAL ACTIVITY

EXERCISE AND PHYSICAL ACTIVITY

This Blog is all about exercise and physical activity – what it is, what it does to you, how is it measured and most of all what benefits it brings you. This is not a Blog about particular types of exercise. You will not learn about different exercise regimes, what...
FRAILTY PART 1

FRAILTY PART 1

The genesis of Frailty For the past six months I have been writing about all the degenerative diseases which assail us as the years go by. These are the Non-Communicable Diseases (NCDs) which wear us down and, if they don’t kill us by then, lead to FRAILTY...
PARKINSON’S DISEASE

PARKINSON’S DISEASE

What is Parkinson’s disease? Parkinson’s disease (PD) was originally described as “the shaking palsy” by James Parkinson in 1817. The main features are stiffness, a fixed facial expression, difficulty with movements and a characteristic so-called “pill...
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...
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...
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...