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58 year old healthy, active female with high coronary artery calcium
Heart & Blood Health | Last Active: Jan 20 1:54pm | Replies (55)Comment receiving replies
Intense exercise for any one sex and age would almost certainly be linked to the heart rate at maximal VO2 and just below that, which is age-dependent. So, using the 220 - Age formula, a 60 year-old woman should expect to be at her upper limit (and in the 'intense' level of activity) if her heartrate were at, or exceeded, 160 BPM, which only goddesses can maintain for any length of time. 😀
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Yeah, after thinking about this use of METs for a while, I decided that it was probably assumed that the target audience already has an idea of what "vigorous" and "very vigorous" means. Then they'd go through the records that the participants kept and back-fit those to a pace that is average for a 50-60 year old man, so they could identify percentiles of minutes in each category. So, best they could reasonably do with the data they had?
When I read exercise recommendations elsewhere, they equate "moderate" with walking and "vigorous" with jogging. So I'm thinking moderate is Zone 1, vigorous is Zone 2(/3?) and very vigorous is Zone 4/5. But, I really don't know. As you pointed out, 160 is squarely in Zone 5 for me, so I'm suffering and it won't last long.