A good chest machine does one thing a free barbell can’t: it locks you into a groove so you can chase the pump without a spotter and without fighting to balance the load.
I’m not telling you to drop the bench press. It still builds the most raw pressing strength of anything. But machines let you isolate the pecs, push close to failure safely, and keep training chest when your shoulders are cranky, which is why they earn a spot on any chest day.
Beginners can use these to learn what a working chest actually feels like. Stronger lifters can pile on safe volume late in a session when a free-weight press would be a bad idea. If you train back on machines too, I broke those down in the best gym machines for back.
Table of Contents
- 1 The 5 Best Gym Machines for Chest
- 2 Anatomy of The Chest
- 3 FAQs About Chest Machines
- 4 Key Takeaways
- 5 Other Alternative Exercises
- 5.1 The 10 Best Hack Squat Alternatives
- 5.2 The 9 Best T-Bar Row Alternatives
- 5.3 The 10 Best Plank Alternatives
- 5.4 The 10 Best Overhead Press Alternatives
- 5.5 The 9 Best Leg Press Alternatives
- 5.6 The 10 Best Front Squat Alternatives
- 5.7 The 10 Best Glute Bridge Alternatives
- 5.8 The 10 Best Bent Over Row Alternatives
- 5.9 The 8 Best Tricep Dip Alternatives
- 5.10 The 10 Best Lat Pulldown Alternatives
- 5.11 The 9 Best Seated Cable Row Alternatives (2023)
- 5.12 The 8 Best Ab Rollout Alternatives
- 5.13 The 10 Best Dumbbell Pullover Alternatives
- 5.14 The 10 Best Romanian Deadlift Alternatives
- 5.15 The 7 Best Deadlift Alternatives
The 5 Best Gym Machines for Chest
- Seated Chest Press Machine
- Cable Machine
- Chest Fly Machine
- Iso Incline Press
- Smith Machine
Seated Chest Press Machine
The seated chest press is where I’d start anyone new to chest training. It’s one of the safest ways to load the pecs, which is why it made my list of the best upper body gym machines, and it’s a real alternative to the bench press when you don’t have a spotter. If you want to know exactly what you’re hitting, here’s the full breakdown of the muscles the bench press works.
Benefits of the Seated Chest Press Machine
- It targets the pecs directly: The press drives the work into the chest instead of letting your arms take over. It’s one of my go-to ways to grow a bigger upper chest because it loads the pectoralis major hard.
- The path is fixed: There’s no balancing the weight, so you can focus on smooth reps and squeezing the chest instead of stopping the load from wobbling.
- It’s beginner-friendly: You can groove the pressing pattern without learning to control free weights first, which makes it a great bench press alternative when you’re starting out.
Tips for Using the Seated Chest Press Machine
- Set the seat height: There’s no magic number. You just don’t want to be pressing downward, so try a couple of heights and keep the one where you feel the most chest.
- Adjust the handles: If the machine lets you, set the handles back far enough to get a real stretch on the pecs at the start of each rep.
- Find your grip width: A wider grip gives a deeper stretch; a tighter grip hits the inner chest. Go with whatever keeps your wrists and shoulders pain-free.
This video shows how to set the machine up and dial in the reps:
Steps to Using the Seated Chest Press Machine
- Set the seat and handles so the bars sit at mid-chest and in front of your shoulders, so you’re not pressing from too far back.
- Select a weight you can control without straining.
- Plant your feet at about 90 degrees and keep your head and back on the pad.
- Grip the handles with straight wrists.
- Press the bars away as you exhale, then bring them back to your chest as you inhale. Keep your form tight the whole way.
Cable Machine
The cable machine is the most versatile pick on this list. Change the height and the attachment and you can hit the upper, middle, or lower chest from angles a barbell can’t touch. It’s why I lean on cables for upper chest work and for bringing up a lagging lower chest.
Benefits of the Cable Machine
- Constant tension: Cables keep the pecs loaded through the whole range instead of dropping off at the top the way free weights do. That nonstop tension is one of the best ways to grow an underdeveloped lower chest and the rest of the chest with it.
- Low injury risk: The movement is guided and the weight adjusts in small steps, so you can find a load that works without putting your shoulders in a bad spot.
- Endless angles: One station covers flies, presses, and crossovers for every part of the chest, so you can attack whatever area is lagging.
Tips for Using the Cable Machine
- Stay controlled: The tension makes you want to yank the handles. Drop the weight and move slowly instead, and you’ll feel the chest far more.
- Hold your posture: Keep your back set and your chest up the whole set. Letting your form fall apart is how you end up sore in the wrong places.
- Stay grounded: Brace your core and plant your feet so you’re not swaying into each rep.
Cable Machine Exercises for Chest
- Iron cross: Knees bent and torso leaned slightly forward, pull both handles down and across until your hands cross in front of you, then raise back to shoulder height. Run 8 to 10 reps for 4 to 5 sets, and latch the handles with a flat hand instead of gripping so the tension stays off your forearms.
- Upward chest cable fly: Same setup as the iron cross, but bring your hands together in front of your chest instead of crossing them. Aim for 8 to 10 reps and 3 to 5 sets at a weight you can control.
- Seated incline cable fly: Sit and pull the cables from behind the seat up until your arms are straight out in front of your face. It’s my favorite for a stretch and a contraction on the upper chest at the same time. Go 12 to 15 reps for 3 to 5 sets.
- Close-grip underarm raise: Start with the cables at your waist, palms up and hands close together, and pull up toward your face until your arms are nearly overhead. Keep your elbows tucked to load the upper pecs. Aim for 12 to 15 reps and 4 to 5 sets as a finisher.
Here’s a video showing how these are done correctly:
Chest Fly Machine
Benefits of the Chest Fly Machine
- Total control: The machine keeps your arms from whipping back, so once the weight and handles are set you can put all your attention on squeezing the chest.
- Easy to feel the chest: Free weights are great for going heavy, but they leave little room to think about what the pecs are doing. The fly machine slows things down so you can feel the chest contract on every rep.
Tips for Using the Chest Fly Machine
- Keep the weight light: This is a shaping exercise, not a max-out. The outward path already stresses the shoulders, so go lighter and move slowly.
- Don’t go too far back: Your arms aren’t supposed to travel way behind you. Stopping in line with your shoulders keeps the pecs safe from a strain.
- Stay level: Keep your wrist, elbow, and shoulder in one line, like you’re hugging a barrel. Lifting an elbow above the shoulder is how you tweak something.
- Loosen your grip: Squeezing the handles pulls your whole upper body forward and brings the wrists into it. A light grip forces the pecs to do the work.
This video from IFBB Pro Hunter Labrada walks through how to set up and move on the pec deck:
Steps to Using the Chest Fly Machine
- Set your weight.
- Use both hands to pull one bar across to the other side, grab the second bar, and bring both back to center.
- With your back flat on the pad, push both arms outward, stopping just before they pass your shoulders.
- Pull the arms back to center using your pecs, not by rocking your body off the pad.
- Run 12 to 15 reps for 3 to 5 sets.
- When you’re done, walk the bars back to the side one at a time. Don’t pull both arms back to rack it, that stretch goes too far.
Iso Incline Press
The iso incline press builds the chest on an incline to bias the upper pecs. It’s also a solid incline bench press alternative when the barbell version bothers your shoulders. The thing that sets it apart is that each arm presses its own weight.
Benefits of the Iso Incline Press
- It evens out your sides: Because each handle carries its own weight, you can load your weaker side harder and bring it up to match the stronger one instead of letting the strong side carry both.
- It builds body awareness: The slow, controlled press lets you feel which part of each pec is working and keep your back pinned to the pad the whole way.
Tips for Using the Iso Incline Press
- Set the seat height: Adjust it so the handles sit at mid-chest, right around nipple height, when you sit down.
- Stay pinned to the pad: Keep your head and back against the pad through every rep. Leaning forward dumps the load onto your arms instead of your chest.
- Watch your elbows: Bring them straight down to your sides as the handles come back. Letting them flare up loads the shoulders.
This video is a good example of how to dial in the movement:
Steps to Using the Iso Incline Press
- Set the weight, seat, and bar height.
- Sit with your back firmly against the pad and your feet flat on the floor.
- Put both hands on the handles, gripping the middle gently.
- Keep your elbows down and press the bars up and forward as you exhale.
- Lower the bars slowly until your elbows are in line with your sides, then press again.
- Repeat for your reps.
Smith Machine
Benefits of the Smith Machine
- Safer than a free bench: The bar runs on fixed tracks, so there’s far less chance of it pinning your chest. If you’re gassed, just rack it on the nearest latch.
- You can press more: Most lifters bench about 5 to 10 percent more on the Smith machine than with a free barbell since you don’t have to stabilize the bar.
- No spotter needed: The safety catches act as your spotter, so you can push a hard set on your own.
Tips for Using the Smith Machine
- Mind the bar height: Lower the bar to just above your sternum. Too high or too low and your shoulders pay for it.
- Tuck your elbows: It’s natural to want to flare them way back, but that’s the wrong spot. Pull them down toward your sides instead.
- Use a medium grip: Set your hands a touch wider than your shoulders. A grip that’s too wide stresses the shoulders.
Here are some good tips for using the Smith machine:
Steps for Using the Smith Machine
- Set the weight, bar height, and seat incline. For chest, a bench angle around 60 degrees works well.
- Sit with your back flat on the pad and feet planted. Keep the gap between your lower back and the pad small.
- Unrack the bar and lower it slowly to about two inches off your sternum, elbows tucked down toward your sides.
- Press the bar up with control as you exhale, then lower it back down.
- Repeat for your reps.
Anatomy of The Chest
Pectoralis major
The pectoralis major is the large fan-shaped muscle that makes up most of the chest. It runs from the sternum in the middle of the chest out to the upper arm.
It has two heads:
- Clavicular head: This portion is slanted and runs from the clavicle to the upper humerus in the upper arm.
- Sternocostal head: This runs horizontally from the sternum and ribs 1 through 7 to the upper humerus.
The pectoralis major sits on the lip of the bicep groove, which is why so many chest exercises pull the biceps in too. Its insertion is covered by the deltoid that forms the round front of the shoulder.
Its main job is bringing the arm across the body and rotating it inward.
Pectoralis minor
The pectoralis minor is the smaller chest muscle. It sits underneath the pectoralis major and connects ribs 3 through 5 to the scapula.
It helps move the arms forward and stabilizes the shoulder blade so you can push and pull with the arms.
FAQs About Chest Machines
Gym machines for the chest are great for isolating specific pectoral muscles, making them the perfect choice if you want to focus solely on growing your chest muscles. Gym machines are also safer than free weights in terms of preventing injury which happens quite often with chest exercises.
The chest press is a good place to start. There are various pieces you can adjust to fit your body, which is important at the beginning to ensure you’re not hurting yourself. You can also lower the weights easily to find a lift that feels right. But remember, slow and steady wins the race.
You can incorporate chest machines about two to three times a week. However, it’s all down to your overall goal. You should have a balanced exercise routine, focusing on your overall well-being.
Key Takeaways
Pick your machine by what you’re after. For pure size, the seated chest press and the iso incline press let you load the pecs heavy and safely, with the iso incline tilting the work toward the upper chest. If a lagging upper chest is the problem, the iso incline press and the seated incline cable fly are what I’d run. When you want to isolate and shape the chest rather than move big weight, the chest fly machine is the pick. The cable machine is the most flexible if you want to cover every angle, and the Smith machine is your best bet for pressing heavy on days you train alone. Choose the two or three that match your goal and your gym, then rotate them.
Other Alternative Exercises
If you enjoyed this post, check out our other roundups of the best alternatives for other exercises.
