Man & Machine: Motocross Rider Mike Hibner
âYouâre waiting for your race to start, youâre sitting at the gate, your heart rateâs 100 to 105, maybe 110,â says motocross veteran Mike Hibner, describing the intense cardiac demands of an outdoor motorcycle race. âAs soon as you hear start your engines, your anticipatory heart rate is anywhere from 120 to 140, before the … Read more