It's a heart-to-heart on Spotlight today, as Gareth and Ross kick off by discussing a Discourse question about whether running marathons is bad for your heart? Ross describes five cardiac \"risks\" that have been documented, giving context and a bit of reassurance in response to theory that excessive endurance training is damaging to heart tissue. We then talk about maximum heart rate, and why it's an imperfect anchor for training prescription and a poor comparison between people. We shift from heart to brain to briefly discuss whether coaches should be sanctioned when players tackle poorly in rugby, and end off with a brief look at two teen phenoms competing in Australia last week, wondering whether their trajectories are inviting unreasonable pressure at too young an age.
Discourse
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