Indoor elliptical machines are a safe option for a full-body cardio workout, but that doesn’t make them free of flaws. For one thing, they aren’t the most exciting activity you can perform—Jones even calls them “a little boring.” They could be considered boring because you remain in the same plane of motion for the duration, and any adaptations you make, such as increasing speed, won’t affect that plane of motion. That lack of change can make the time spent on one seem endless, or at least slow-moving. You can mitigate boredom if the elliptical you’re working on has a screen, enabling you to watch something, but many people don’t want to rely on outside visual stimulation. 

And unlike other cardio, such as a spin class or using a stationary bike on your own, there is no option to change positions, like from sitting to standing, as you go. The move you’re doing on an elliptical is for the duration. 

Additionally, an elliptical workout can only be so difficult. Cunningham says that “they may be too low impact for people who are aiming for a more intense exercise.” If you like your cardio activity to involve a steep climb or a fast run, you might not feel tired after an elliptical workout as you would from your usual sessions. 

Lastly, ellipticals are far from perfect for who can use them and how accessible they are for people of different sizes. Cunningham says that they are “outfitted for a person of average height” and “may be awkward for people of different body types.” While treadmills and stair climbers have fewer restrictions on who can use them comfortably due to their design, ellipticals do because your arms and feet need to fit in particular spots on the machine. Whether you’re too tall, too short, or too wide, they can be hard to use if you don’t fit the physical demographic the machine was designed for. 

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