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Lung Function Testing Sequence

Lung Function Testing Sequence. SHMD 349. Lungs. Alveoli. The lungs contain more than 600 million alveoli. If spread out, lung tissue would cover about one half of a tennis court. An average adult-sized lung weighs about 1kg. Pg 167. Lung Function. Why?.

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Lung Function Testing Sequence

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  1. Lung FunctionTesting Sequence SHMD 349

  2. Lungs

  3. Alveoli

  4. The lungs contain more than 600 million alveoli. If spread out, lung tissue would cover about one half of a tennis court. An average adult-sized lung weighs about 1kg.

  5. Pg 167 Lung Function Why? Assess whether the airways between the mouth and the alveoli are clear and favorable to good air flow. Poor lung function will limit the amount of oxygen that can be delivered to the bloodstream and the tissues.

  6. Pg 168 Lung Function Measured using peak flow meter. • Measure: Peak expiratory flow rate (PEFR) which is a measurement of the power of the lungs. • Tells us how much air would pass through our lungs if we breathed in an out at our maximum power for one minute.

  7. Lung Function Pg 167 • Ask the client to hold the peak flow meter directly in front of their mouth. • Ask them to turn their head to the side and take three deep breaths. • On the third breath, ask them to put their mouths around the end of the tube and, ensuring a good lip seal, blow as hard as they can into the tube. • Instruct that it should be a short, sharp blow, as if they were using a pea-shooter. • Repeat twice more and take the highest reading. This is called their peak expiratory flow rate (PEFR).

  8. Pg 168 Lung Function • Need to know gender, age and height of client to work out their acceptable score. • If the client’s score is 100 below the acceptable figure, this is classified as poor lung function and they should be referred to a GP before they exercise. • Example:

  9. Test Sequence • The order in which you conduct the tests must be considered as it may change the accuracy of the results you produce • Some testing may have to be done on different days to produce the best result • Example: a test that requires maximal effort will require a few hours for recovery. A test requiring a high level of skill or co-ordination needs to be done first because skill level decreases when you are tired Pg 171

  10. Test Sequence • The correct order would be: • Sedentary tests such as - height - weight - body composition - flexibility • Agility tests • Maximum power & strength tests • Sprint tests • Muscular endurance tests • Aerobic endurance test Pg 171

  11. Questions • In your own words, explain why the sequence of testing is important. Provide an example. 4 • List, in order, the correct sequence of testing. 7 • What is the reason for assessing lung function? 3 • What are the implications of a poor lung function? 3 • What instrument do you use to measure lung function? 1 • What does peak expiratory flow rate (PEFR) mean, and what does it measure? 4 • Describe the procedure for measuring lung function. 10

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