Don't even pretend you focus on your heart rate
Oh, the memories. The scent of old gym mats, the echo of squeaking sneakers and the ever-present, vaguely terrifying whistle of Coach Thompson. If you grew up any time before, say, the era of smartwatches and personal trainers for toddlers, you’ll likely remember the post-exertion ritual designed to transform us into miniature athletic scientists: the dreaded pulse check.
