rory_ross: My boxing cardio workout today at UPC. 10 rounds - 1 minute heavy bag (switching punches thrown each round, as well as alternating between orthodox and southpaw, 1 minute jump rope (aiming for at least 120 jumps each round) then 20-30 second rest. #boxing #jumprope #speed #power #punch #agility #workout #gym #fitness #sports #training #UPC #box