monitoring and promotion of physical activity
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Monitoring and promotion of physical activity. Chapter 1. This unit focuses on health benefits of exercise as opposed to the fitness benefits of exercise. - PowerPoint PPT PresentationTRANSCRIPT
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MONITORING AND PROMOTION OF PHYSICAL ACTIVITYChapter 1
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This unit focuses on health benefits of exercise as opposed to the fitness benefits of exercise.
Health = the metabolic wellbeing as reflected in low risk levels of blood fats, blood pressure and body weight as well as general physical and mental wellbeing.
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WHAT IS PHYSICAL ACTIVITY?
Any bodily movement produced by skeletal muscles that results in expenditure of energy.
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DOMAINS OF PHYSICAL ACTIVITY Day to day activities where PA can should
Occupational activity: physical activity carried out in the course of an individual’s occupation
Leisure-time activity: physical activity done outside of work time
Household or gardening activity
Active transport activity: physical activity in getting from one place to another
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BENEFITS OF PHYSICAL ACTIVITY PARTICIPATION
Social Physical Mental Environmental Economic Health
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GROUP WORK ACTIVITY In 5 groups you have 5 minutes to come up
with as many factors that contribute to your assigned benefit.
At the end of 5 minutes send someone up to write your findings on the board and explain them to the rest of the class.
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PHYSICAL ACTIVITY IN AUSTRALIA Australians are equal fattest per capita, with
Americans, in the world.
Costs the government/ Australia $400 million per year (mid 1990’s costings)
8000 deaths per year
$1.3 billion per year in obesity related illnesses
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MEDIA STUDY Read the article on page 6 of the text book.
http://www.youtube.com/watch?v=4RNwTmShzMw
http://www.youtube.com/watch?v=82kYQ7j7X2s
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SO HOW MUCH PHYSICAL ACTIVITY SHOULD WE
DO???
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NATIONAL PHYSICAL ACTIVITY GUIDELINES From the ‘Australian Department of Health and
Ageing.
Details the minimum levels of physical activity required for optimum health and body weight
Have 4 main guidelines Have 3 sets of recommendations
http://www.health.gov.au/internet/main/publishing.nsf/Content/health-pubhlth-strateg-active-index.htm
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GUIDELINESStep 1
Think of movement as an opportunity, not an inconvenience
Where any form of movement of the body is seen as an opportunity for improving health, not as a time-wasting inconvenience.
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GUIDELINESStep 2
Be active every day in as many ways as you can
Make a habit of walking or cycling instead of using the car, or do things yourself instead of using labour-saving machines.
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Step 3 Put together at least 30 minutes of
moderate-intensity physical activity on most, preferably all, day.
You can accumulate your 30 minutes (or more) throughout the day by combining a few shorter sessions of activity of around 10 to 15 minutes each.
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Step 4 If you can, also enjoy some regular,
vigorous activity for extra health and fitness
This step does not replace Steps 1-3. Rather it adds an extra level for those who are able, and wish, to achieve greater health and fitness benefits.
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RECOMMENDATIONS The dimensions of the guidelines:
F = Frequency I = Intensity D = Duration T = Type
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FREQUENCY
How many times per week is the activity undertaken
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INTENSITY
At what intensity is the activity undertaken?
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HOW TO MEASURE INTENSITY 4 methods of assessment
1 – TALK TEST Low intensity – person can sing
Moderate intensity – can hold a conversation
Vigorous intensity – become too out of breath to hold a conversation
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2 - TARGET HEART RATEMax HR = 220 - Age
Moderate intensity – target heart rate 50 – 70% of Max HR.
Vigorous intensity – target heart rate 70-85% of Max HR.
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3. PERCIEVED EXERTION(Borg Rating Scale)
How hard you think your body is working taking into account physical sensations.
Eg – breathing rate, heart rate, sweating and muscle fatigue
Scale from 6-206 = no exertion20 = maximal exertion
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4 – Metabolic Equivalent level (MET)
Unit used to measure the amount of oxygen used by the body during physical activity.
1 = sitting quietly talking
Moderate intensity = 3-6 METSVigorous intensity = 6 + METS
http://riskfactor.cancer.gov/tools/atus-met/met.php
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CHILD AND YOUTH RECOMMENDATIONS (UP TO 15 YEARS) Frequency – every day
Intensity – moderate - vigorous
Duration – 60 minutes and up to several hours
Type – range including weight bearing, impact,
Note: should not spend more than 2 hours per day using electronic media
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ADULT RECOMMENDATIONS Frequency – most, if not every day
Intensity - moderate
Duration – 30 mins (can be accumulated)
Type – range of activities
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OVERWEIGHT AND OBESE RECOMMENDATIONS Frequency – every day
Intensity – low – moderate (dependant on condition)
Duration – 60 mins (across day)
Type – include aerobic activities and be inclusive of age.
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ACTIVITY 2 Create your own personal activity pyramid
In each section outline and draw pictures or add photos of you performing your day to day tasks.
Apply FIDT for each activity
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MEASURING PHYSICAL ACTIVITY Physical activity levels can be measured
using various methods, both subjective and objective.
Many things need to be considered before picking a method appropriate to the individual or group.
The data collected can then be used to gauge whether or not an individual or group of individuals adheres to the guidelines amongst other things.
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To identify factors that influence physical activity levels (determinants)
To monitor how many people are achieving the National Physical Activity Guidelines
To identify population trends To evaluate the effectiveness of large-scale
interventions To study the links between physical activity and
health To determine the amount of physical activity
necessary to influence health To detect change in an individual's health and/or
behaviour To determine the effect of any change in physical
activity behaviour
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METHODS FOR ASSESSING PHYSICAL ACTIVITY
Subjective – Depend on our own perceptions of PA. Are used for measurements in populations.
Objective – Rely on data or recorded observations. Used for measurement in individuals.
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SUBJECTIVE Self report
Diaries Logs Questionnaires Reports Interviews
Recall Short simple questionnaires (5-15 items) Look at physical activity patterns over a period Provides basic data for large populations
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OBJECTIVE Heart Rate Monitor (telemetry)
Wear a heart rate watch or monitor Provides data on intensity, frequency and
duration of PA
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OBJECTIVE
Pedometry Pedometer measures the number of steps taken. Can estimate distance travelled Can be used to estimate energy expenditure
during PA 10,000 steps per day is said to meet the NPAG
standards
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OBJECTIVE Accelerometry
Electronic devise that determines the acceleration of the body in certain directions
Gives info on : Frequency Duration Intensity
Minute-by-minute info (can upload to comp) Detect movement patterns throughout day.
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OBJECTIVE Observation
Collects data on activity : type, time, place and social setting.
Outside observers description of PA levels
BEACHES SOFIT SOPLAY
P16 of book.
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ACTIVITY 3 In pairs outline as many advantages and
disadvantages as you can for each method of assessment.
Focus on: Reliability of information Cost Whether they are invasive Number of people each can cater for Speed of data collection Anything else you can think of
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CASE STUDY : DO THEY MEET THE NPAG Jane walks her dog at a brisk pace for about 20
minutes. She also weeds her garden weekly for about an hour.
Andrew waters his garden every second day for about five minutes. Each week he vacuums for about 30 mins and on the weekends he plays tennis with his kids for 45 mins.
Anthia walks to work everyday and notices her pedometer averages 8000 steps per day. After work she has a 10 minute swim to rejuvinate herself.
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YES OR NO? Jane – Yes in one interpretation. She accumulates 200
minutes of moderate intensity physical activity each week.
Andrew – No: watering the garden would be considered low-intensity as it only involves holding a hose. Tennis is multiplied by two because it is vigrous but this only brings his total to 135-140 minutes.
Anthia - We cannot say for sure because the pedometer does not track her swimming. However, 8000 steps is 80% of her daily requirement, and 10 minutes is 33.3% of her daily requirement, so it could be argued that she does meet the guidelines.
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MEDIA http://www.youtube.com/watch?v=FPMaZXm
XFB4
http://www.veavideo.com/teachersNotes/MEASU1.PDF