Get in a quick 20 min heart rate accelerator with this cardio + shadowbox combo. Start with a cardio round followed by building up a combo and breaking it down with cardio moves mixed throughout.

Round 1: Cardio warm up
Round 2: 65 SLIP 32
Round 3: 65 SLIP 32 ROLL 6
Round 4: 65 SLIP 32 ROLL 632
Round 5: Freestyle round