“The FIRM: Express Phase 3” S:1 E:2 Cardio Mins :20 Year Released:2016 Lang: English 2016-01-09 S:1 E:2 Cardio Mini Bursts feature high-powered progressions using kettlebell style exercises, with lower impact alternatives that suit your fitness level. Watch on Amazon Previous article“Swimming Pool Inspection, Safety, Maintenance”Next article“Cardio for Intermediate – Increase Fitness & Stamina – Jon Spurling’s Workout”