Double Duty: Two-Machine Cardio Workout

Feeling bored with your everyday cardio workout? Shake up your routine with this challenging 45-minute interval plan that uses two machines. Kick things off with a lengthy session on the low-impact elliptical trainer, and end on a strong note with a quick treadmill session to torch calories. Elliptical Time Resistance SPM* Notes 00:00-03:00 3 130 Warmup 03:00-05:00 5 130-140 05:00-07:00 6 140-150 07:00-09:00 7 160-170 09:00-10:00 8 190-200 Sprint 10:00-12:00 5 130-140 12:00-14:00 7 140-150 14:00...