Give two examples of aerobic activities and explain why they are aerobic.

A marathon and a long-distance swim are aerobic activities. Each lasts a long time at a steady, moderate intensity, so oxygen supply keeps up with demand.

Give two examples of anaerobic activities and explain why they are anaerobic.

A 100 m sprint and a heavy weightlift are anaerobic activities. Each is performed at maximal intensity for only a few seconds, faster than oxygen can be supplied.

Why is a 400 m race mainly anaerobic?

A 400 m race is run at near-maximal intensity for about a minute or less. The muscles need energy faster than oxygen can be delivered, so lactic acid builds up.

OCR GCSE Physical Education J587

Applied Anatomy and Physiology

Topic overview Bones and functions of the skeleton Synovial joints and the movements they allow Major muscle groups and antagonistic pairs The cardiovascular system The respiratory system and gas exchange Aerobic and anaerobic exercise Short-term effects of exercise Long-term effects of exercise

Movement Analysis

Topic overview Lever systems and mechanical advantage Planes and axes of movement

Physical Training

Topic overview Components of fitness Fitness tests and fitness data Collecting and presenting data Principles of training FITT and training zones Training methods Warm-ups and cool-downs Preventing injury and sports hazards

Socio-Cultural Influences

Topic overview Participation in physical activity and sport Participation trends in England Commercialisation, the media and sponsorship Sportsmanship, gamesmanship, deviance and violence Drugs in sport

Sports Psychology

Topic overview Skilful movement and the classification of skills Goal setting and SMART targets Mental preparation Types of guidance Types of feedback

Health, Fitness and Well-Being

Topic overview Health, fitness and the physical benefits of exercise Emotional and social benefits of activity Components of a balanced diet Diet, hydration and energy use

Applied Anatomy and Physiology

Aerobic and anaerobic exercise

3 things to know
J587/01

Overview

Aerobic and anaerobic exercise, how intensity and duration decide which is used, and classifying sprints, middle-distance races, games, vaults and triathlons.

What you need to know

Answer each one before you reveal it.

Your recallNot started

Key term

Define aerobic exercise.

Key term

Define anaerobic exercise.

Key term

How are intensity and duration linked in aerobic and anaerobic exercise?

Questions from this subtopic

Each one with the model answer underneath.

1
Define aerobic exercise.
Model answer
Aerobic exercise is exercise with oxygen, where the body can supply all the oxygen the working muscles need. The intensity is moderate, so it can be kept up for a long time.
2
Define anaerobic exercise.
Model answer
Anaerobic exercise is exercise without enough oxygen, because the muscles demand more than the body can supply. The intensity is high, so it can only last a short time.
3
How are intensity and duration linked in aerobic and anaerobic exercise?
Model answer
The higher the intensity of an activity, the shorter the time it can be kept up. Low to moderate intensity work can last a long time and is aerobic, while high intensity work is brief and anaerobic.
4
Give two examples of aerobic activities and explain why they are aerobic.
Model answer
A marathon and a long-distance swim are aerobic activities. Each lasts a long time at a steady, moderate intensity, so oxygen supply keeps up with demand.
5
Give two examples of anaerobic activities and explain why they are anaerobic.
Model answer
A 100 m sprint and a heavy weightlift are anaerobic activities. Each is performed at maximal intensity for only a few seconds, faster than oxygen can be supplied.
6
Why is a 400 m race mainly anaerobic?
Model answer
A 400 m race is run at near-maximal intensity for about a minute or less. The muscles need energy faster than oxygen can be delivered, so lactic acid builds up.

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Applied Anatomy and Physiology

Movement Analysis

Physical Training

Socio-Cultural Influences

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