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Unit 3&4 Physical Education
Assessing Physical Activity
Assessment of IntensityTalk TestDetermine the extent a person has enough
breath to be able to speak during activity.Low Intensity level – should be able to sing.Moderate Intensity level – should be able to
carry on a conversation.Vigorous intensity level – too out of breath to
conduct a conversation.
Assessment of IntensityTarget Heart Rate
Determines whether a persons heart rate is within the target zone during activity.
Moderate Intensity level – 50-70% max HR Vigorous Intensity level – 70-85% max HR
Note – Max HR = 220 – age.
Assessment of IntensityPerceived Exertion
(Borg Rating Scale)
Refers to how hard you feel your body is working on a scale from 6-20
6 – ‘no exertion at all’20 – ‘maximal exertion’
Assessment of Intensity
Metabolic Equivalent (MET) LevelA MET is the unit used to measure the amount of
oxygen used by the body during physical activity.1 MET equals the energy (O2) used by the body
as you sit quietly.Moderate Intensity Activity – 3 to 6 METSVigorous Intensity Activity – over 6 METS
Examples of Intensity Related Activities!
Light Activity
Moderate Activity
Vigorous Activity
Methods for Assessing Physical Activity
Subjective MethodsDepend on our perceptions of physical
activityPredominately used for measurement in
populations
Objective MethodsRely on solid data or observationsPredominately used for measurement in
individuals
Subjective Methods
Self ReportPhysical Activity DiariesLogs
RecallUsually made up of short simple
questionnaire of 5-15 itemsSet to investigate physical activity patterns
Objective Methods
Heart-rate TelemetrySubject wears device that provides data
on the heart rate in response to exerciseCan be set to record and collect data
Objective Methods
Pedometry
Subject wears device that records the number of steps taken and estimates distance covered
10000 steps is considered equivalent to meeting National Physical Activity Guidelines
Objective Methods
AccelerometrySubject wears device to assess the
acceleration of the body in certain directionsProvides data on the frequency, duration and
intensity of activity
Doubly Labelled WaterTechnique used to accurately estimate total
energy expenditure.Based on the movement of 2 different types
of water found in the body
Objective Methods
Direct ObservationData collected that measures activity in
regards to type, time, place and social setting
Very useful for childrenCan be used in conjunction with other
methods
There are 3 main observation systems used:
Direct Observation
BEACHES (Behaviours of Eating Activity for Children’s Health Evaluation System)
Designed to monitor children eating and activity both at home and at school
SOFIT (System for observing Fitness Instruction Time)Used during PE classes, measures activity, lesson
context and teacher behaviour.
SOPLAY (System for Observing Play and Leisure Activity in Youth)Used to assess the physical activity of groups in
certain settings.Assesses the number of people in a designated
activity area and their activity level at specific times