>Julia wrote- > >wondering how much each trip up the stairs carrying a baby counts on the >"exercise" bit
There are some people who structure their activities so they do stay aerobic with their ADLs (Activities of Daily Living) for a minimum of 20-30 min daily. We have talked in the past about heart rate monitors and they are really coming down in price (at work we see prices about 50% what they used to be for "no frills" models). The other way to generally measure your heart rate (we use especially with elderly on heart rate limiting drugs) is perceived exertion, or the talk-sing test. Perceived exertion is 0-20 range with research showing people are pretty aware of their exertion (20= highest exertion, 13=130 beats per minute roughly)**. The talk-sing test is that you are aerobic if you can talk, but can't sing (discounting if you couldn't sing in the first place). I would tend to think that your aerobic activity with your ADLs is way more than mine (trick might not be going into the anaerobic range above >.80-.85 chasing youngsters Dee ** generally (220-age) X .65 (or up to .80ish) is considered aerobic
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