Energy Cost of Different Activities

Energy Cost of Different Activities

Measuring exercise dose Last week I explained the various ways of measuring dose of exercise and I gave some reasons for wanting to do so. For instance one use is to assess the balance between calories consumed as food and calories expended in physical activity. The...
Measuring the Dose of Exercise

Measuring the Dose of Exercise

Units of measurement There are many ways of measuring exercise dose and the the best unit of aerobic exercise is the Metabolic Equivalent or MET. This is a measure of the intensity of exercise or physical activity, not total dose. It reflects the rate at which oxygen...
OXYGEN UPTAKE AND  TRANSPORT

OXYGEN UPTAKE AND TRANSPORT

VO2 and VO2max A few points from last week’s Blog as a recap: 1. Aerobic exercise means exercise fueled by oxygen. 2. The  rate of oxygen usage is directly associated with the intensity of exercise. 3. The rate of oxygen use is usually expressed as millilitres...
THE INDUSTRIAL REVOLUTION

THE INDUSTRIAL REVOLUTION

The mechanisation of work The inevitable consequence of having machinery take over much of manual work was the reduction of the general level of physical activity in the population. While there was a fairly rapid change over the transition period between the late 18th...
THE DARK AGES AND BEYOND

THE DARK AGES AND BEYOND

This week I will take a sprint through the changing demands for exercise over the past two thousand years. Exercise in the dark ages Those who laboured  were kept active earning their keep. Increasing commerce brought plenty of walking and riding for merchants....
THE AGRICULTURAL REVOLUTION

THE AGRICULTURAL REVOLUTION

The Neolithic Agricultural Revolution The development of a structured society, a more settled population and the growth of agriculture changed the pattern of human exercising to the more mundane work associated with husbanding animals and sowing, creating and...