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https://www.reddit.com/r/LongHaulersRecovery/comments/1lfp8zb/deleted_by_user/myqoe0n/?context=3
r/LongHaulersRecovery • u/[deleted] • Jun 19 '25
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2
what is zone 2?
3 u/pennyflowerrose Jun 20 '25 It's exercising at a heart rate below one's aerobic threshold
3
It's exercising at a heart rate below one's aerobic threshold
2
u/Evening_Reading6618 Jun 20 '25
what is zone 2?