If you’ve spent plenty of time doing planks and crunches but still want a stronger, more dynamic core, you might be wondering: Are there gym machines that actually help build better abs? The answer is a big yes.
According to certified personal trainer Jessica Brown, weaving ab-friendly machines into your routine helps train your core from new angles and under different types of resistance. Even machines you normally think of as “cardio only” require your midsection to stabilize your body while you move. And strength machines can challenge your core in ways that floor exercises simply can’t.
Below, you’ll find eight trainer-approved gym machines—four cardio and four strength—that can seriously level up your ab routine. As always, talk with your doctor if you’re managing an injury, a health condition, or pregnancy before changing your workout plan.
Cardio Machines That Secretly Sculpt Your Abs
Cardio workouts aren’t just for your heart and lungs. When you’re upright, maintaining posture, and generating power, your abs are on duty too.
1. Stationary Bike
While it may feel like a strictly lower-body machine, a bike ride demands more core involvement than you might think. Your abdominal muscles help steady your pelvis and keep your hips square as you pedal. The steadier your trunk, the smoother—and more effective—your ride.
2. Elliptical
The elliptical works your legs and arms, but your midsection is quietly doing just as much. Standing tall without leaning on the handles forces your abs, obliques, and back muscles to stabilize your spine. Keep your posture upright, and you’ll feel the core activation go up a notch.
3. Treadmill
Running or walking on a treadmill engages your core with every stride. Your abs help maintain your alignment, support your running posture, and transfer energy between your arms and legs. The more intentional you are about bracing your midsection, the stronger it gets with each step.
4. Rowing Machine
Rowing is famous for strengthening your back—but it’s equally powerful for your frontside. When you row with proper form, you maintain a straight spine and hinge slightly at the hips. That controlled lean and pull activates the abs in every phase of the movement.
Strength Machines That Target Your Abs Directly
These machines offer resistance and stability challenges that floor work alone can’t match.
1. Cable Machine
The cable machine is a core-training powerhouse. Because cables keep tension steady through every inch of a movement, your abs have to work continuously. Exercises like the Pallof press are especially effective. By resisting the cable’s pull and keeping your torso from twisting, you’re building rock-solid stability.
2. Pull-Up Bar
Even if you’re not doing full pull-ups yet, simply hanging from the bar fires up your core. Add movements like hanging knee raises or leg lifts, and your abs will be doing the heavy lifting—literally. Any time you brace your trunk to stay still, you’re training those muscles.
3. Captain’s Chair
This classic gym machine is loved for a reason. With your forearms resting on the pads and your legs hanging free, you can perform knee lifts or straight-leg raises that light up your rectus abdominis and obliques. The more control you use, the better the burn.
4. Decline Bench
A decline bench makes basic moves like sit-ups far more challenging. Because your torso starts lower than your hips, gravity adds extra resistance on the way down and up. It’s a simple way to intensify exercises you’re already familiar with—and great for building strength through a full range of motion.
Whether you’re stepping onto a treadmill or strapping into a cable machine, you’re using more than just your legs or arms. Your core is constantly at work—stabilizing, controlling, and transferring energy.
By mixing these cardio and strength machines into your routine, you challenge your abs in new, more functional ways. Over time, you’ll build a stronger, more resilient core that supports everything you do, both inside the gym and beyond.
Ready to switch up your routine? Start with one or two of these machines each workout and pay attention to how your midsection engages. Your future abs will thank you.
