Cardio and Conditioning

The best cardio machine is the one you will actually use twice a week. This section has workouts for every major machine plus conditioning plans that do not need one. You will find HIIT routines, steady state fat loss plans, sprint work, and low impact options for people with bad knees or hips. Each guide tells you how long, how hard, and how often. If you are still choosing a machine, our cardio buying guides compare them side by side.

Cardio & Conditioning

Woman exercises upright on a rotating stair climber with her feet planted on the steps.
Cyclist riding a stationary indoor cycle, hands on the bars with elbows softly bent and a slight bend in the bottom knee.
A gym athlete working through a hard interval on an air bike.
Woman walking briskly on a treadmill with upright posture and a safety clip attached, mid interval during a beginner cardio machine session.
Upper body ergometer workout guide showing a wheelchair accessible OmniTrainer and a PhysioCycle XT
A woman in athletic wear works out on a stair climbing machine in a gym. She grips the handles and steps up, focused and determined. The gym has a concrete interior and modern equipment.
Generic commercial rowing machine and rotating-stair climber compared in a modern gym
Pvolve instructor performing a controlled lateral lunge with official Pvolve Gliders and Floorgloves.
Runner accelerating on an outdoor track during a running speed workout
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