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...
OXYGEN AND VO2max

OXYGEN AND VO2max

Fueling exercise I have described the importance of oxygen for fueling exertion, but it was a long time ago – maybe even before you were reading my blog. It is a fascinating and really important topic if we are to understand some of the mechanisms of exercise so...
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...