Dr Norman Swan
speaker
26,995 appearances
288 recordings
3 series
first heard Apr 2006
last heard 15 Sep
Dr Norman Swan’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 10 in all, peaking in Sep 2026 with 3.
Appearances
But cardio requires consistency and frequency, and there's no evidence that your heart benefits from a day off.
Well, a day off is not going to do you any harm.
Two days off probably not going to do you very much harm.
Three days off you start to lose the cardio benefits from three days ago.
In other words, the protective element of aerobic activity.
Four days off, you've kind of lost that benefit.
You've not necessarily lost the fitness that you've got, but you've lost the protective element, which is really the control of your blood pressure, the control of your
Your pulse rate and so on.
But what happens with longer periods of aerobic exercise is that you do lose conditioning, you do lose that fitness.
So it there's got to be a frequency to it.
But there's no extra benefit in deliberately taking a day off aerobic activity.
No, but there have been enough epidemiological studies on cardiovascular fitness and aerobic exercise to know th the general patterns of improvement and how much exercise you need to do to sustain that improvement.
And it's actually quite a lot in terms of frequency.
Well, over training
can be a sign of an eating disorder.
Mm.
And you've got to look at people's motivation.
And in boys and in males, it's often considered that exercise is a proxy for eating disorders.
And so if you're doing daily exercise at fairly extreme levels and your aim is not to be an elite athlete, you've got to question why you're doing that.
And it happens in women as well.
Showing 601–620 of 26,995 · page 31 of 1350
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