I heard some where way back that if you are doing a exercise like swimming for the aerobic benifit. If you stop for more then 15 seconds ..say to talk to someone..you lose the benifit from the aerobic part of workout.. Any one heard about this?
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I don't know if this answers your question, but one way to design sets is to look at the work:rest ratio. A ratio of anywhere from 3:1 to 5:1 would be an aerobic type set--for example, a set of 400s on 6:00 finishing each repeat in 5:00 (5 minutes of work, 1 minute of rest). Your heart rate should be 30-50 bpm below your predicted max for age (220-age).
I don't know if this answers your question, but one way to design sets is to look at the work:rest ratio. A ratio of anywhere from 3:1 to 5:1 would be an aerobic type set--for example, a set of 400s on 6:00 finishing each repeat in 5:00 (5 minutes of work, 1 minute of rest). Your heart rate should be 30-50 bpm below your predicted max for age (220-age).
