lecture 1 and 2

Question 1

why do we have PA guidelines?

Answer 1

to reduce the risk of any NON-communicable disease (disease/illness that is not caused for infectious agents) -
depression, diabetes, cancer,

Question 2

what is teh PA guideline of australia?

Answer 2

2.5-5 hrs moderate intense PA
OR
150-300min
2.5-5 MET.min

Question 3

what is MET?

Answer 3

volume of acitivty to meaure energy expenditure of a indivisual

duration x intensity

Question 4

what type of PA do we measure and refer to the guidline?

Answer 4

free lviign PA

- doesnt just have to be at the gym - is considered PA when you are moving (wlaking to bus stop)

Question 5

how is PA measured?

Answer 5

subjective or objective

objective: DLW, direct colorimetry, portable indirect colorimetry, HR monitoring, direct observation, sensecam

Question 6

what are the advantages and limitations of objective methods including DLW, direct colorimetry, portable direct colorimetry, HR monitoring, direct observation and sensecam?

Answer 6

• they are all very accurate measures
• limited use in measuring free-living PA including the cost, duration of measurement, limited settings and calibration
• T.F can only be used as a gold standard comparison to the other objective tools (lecture 3) used to measure PA