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>I was out running this morning and took heart monitor so I could >guage the correct pace in this heat. Trying to hold 160, I noticed it >took a long time to get it up there ( 17 minutes ), and then if the wind >blew it would fall away, but come back immediately when the breeze >vanished. It would drop to 155 in the breeze, back to 160 without. I would say it's the heat that did it. The breeze probably cooled you off and hence brought the heart rate down. When I race my bike in the heat I find that my HR stays much higher than is usually sustainable for me otherwise. Sometimes by as much as 10 beats per minute. > This seems wierd to me, since when we swim the heart rate goes way up >and stays up. I wonder what would happen to the rate from a resting >rate. It would seem that swimming would tend to keep your HR down because of the cooling effect of the water. I say down relative to making the same full body effort without the water cooling your body. I would expect swimming to be a high HR activity due to the use of more muscle groups. But, I would expect your swimming HR to be even higher if you were swimming in warmer water. For what it's worth... Bayinsider.com Cycling Scout http://www.bayinsider.com/getout/cycling/ Kevin Metcalfe metcalfe@ec*.co* Concord, CA -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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