RIRLift app icon RIRLift

Exercises

Machine chest exercises: presses, dips and the pec deck

Published October 19, 2026

The best machine chest exercises are the seated chest press for the whole chest, the incline press machine for the upper chest, the decline press and the seated dip machine for the lower chest, and the pec deck for a fly that needs no balance. A complete machine chest day is one press, a second press from another angle, and the pec deck. Set the seat so the handles start at the right height for your chest before you load anything; that one adjustment decides whether the machine trains your chest or your shoulders.

  1. Machine Chest Press Chest
  2. Machine Incline Press Chest
  3. Pec Deck Fly Chest
  4. Machine Decline Press Chest
  5. Machine Chest Dip Chest, Triceps

Chest press machines: flat, incline and decline

Most gyms have the press in three angles. The flat chest press trains the whole chest, the incline version shifts the work up toward your collarbones, and the decline version shifts it down. Pick one as your heavy press of the day and, if you have time, a second from another angle.

Whole chest, seated horizontal press

Machine Chest Press

Chest

The seated chest press is the machine version of the bench press: the handles move on a fixed path, so you can push hard without balancing a bar or needing a spotter. It is the first machine to learn and the one to load heaviest on chest day.

How to do it

  1. Set the seat so the handles line up with the middle of your chest, sit down, and plant your feet.
  2. Hold the handles with your wrists stacked over your forearms, shoulder blades pulled back into the pad.
  3. Push the handles forward until your arms are almost straight, without letting your shoulders come off the pad.
  4. Let the handles come back until your hands are level with your chest and you feel the stretch, then press again.

Cues

  • Seat height puts handles at mid-chest
  • Shoulder blades stay in the pad
  • Stop just short of lockout

Common mistakes

  • Seat set too high or too low, which turns it into a shoulder press or a dip: adjust until the handles are in line with your nipples.
  • Cutting the return short to move more weight: bring the handles all the way back every rep.

Swap for: Machine Incline Press, Machine Decline Press, Machine Chest Dip

Build a session with Machine Chest Press

Upper chest, seated incline press

Machine Incline Press

Chest

The incline machine angles the press upward, which moves the work toward the upper chest, the part flat pressing reaches least. Because the machine guides the path, it is easier to feel the upper chest working than on an incline barbell.

How to do it

  1. Adjust the seat so the handles start a little above the middle of your chest.
  2. Sit back, feet planted, and take the handles with your elbows pointing down and slightly out.
  3. Press up and forward until your arms are nearly straight, keeping your head and back on the pad.
  4. Lower the handles slowly back to the top of your chest until you feel a stretch, then press again.

Cues

  • Press up and away
  • Elbows under the handles
  • Chest high, back on the pad

Common mistakes

  • Setting the seat so low that the handles start above your shoulders: you want them near your upper chest.
  • Arching off the backrest to finish the rep: end the set there or lower the weight.

Swap for: Machine Chest Press, Pec Deck Fly, Machine Decline Press

Build a session with Machine Incline Press

Lower chest, seated decline press

Machine Decline Press

Chest

The decline machine sends the handles forward and down, which favors the lower part of the chest and lets most people press their heaviest weight with little shoulder strain. It is a good main press for anyone whose shoulders complain on flat pressing.

How to do it

  1. Set the seat so the handles start just below the middle of your chest.
  2. Sit with your feet planted and take the handles with your palms down and elbows a little below shoulder height.
  3. Drive the handles out and slightly down until your arms are almost straight.
  4. Bring them back under control until your hands reach the bottom of your chest, then repeat.

Cues

  • Press down and away
  • Elbows tucked about 45 degrees
  • Full stretch at the chest

Common mistakes

  • Locking the elbows hard at the end of each rep: stop just before and keep the tension on your chest.
  • Rushing the return: take two seconds to bring the handles back.

Swap for: Machine Chest Dip, Machine Chest Press, Machine Incline Press

Build a session with Machine Decline Press

The chest dip machine

The seated dip trains the lower chest and triceps with a stack instead of your bodyweight. Lean forward over the handles so your chest does the work; the same machine with an upright torso is a triceps exercise.

Lower chest and triceps, seated dip

Machine Chest Dip

Chest, Triceps

The seated dip machine copies a parallel bar dip with the weight on a stack, so you get the lower-chest work of dips without having to lift your own bodyweight. Leaning forward keeps it on the chest; sitting upright hands more of it to the triceps.

How to do it

  1. Set the seat so the handles sit around the bottom of your ribs when you grip them, and sit down.
  2. Take the handles, lean your chest slightly forward and let your elbows bend and drift back.
  3. Push the handles down until your arms are nearly straight beside your hips.
  4. Let them rise back up slowly until your elbows are bent past 90 degrees and you feel your chest stretch, then push again.

Cues

  • Lean forward, chest over the handles
  • Push down and slightly in
  • Elbows flare a little

Common mistakes

  • Sitting bolt upright, which makes it a triceps exercise: lean forward so the chest leads.
  • Bouncing out of the bottom: pause for a moment where your chest is stretched.

Swap for: Machine Decline Press, Machine Chest Press, Pec Deck Fly

Build a session with Machine Chest Dip

The pec deck (chest fly machine)

The pec deck brings your arms together across your body, the movement presses leave out. It needs no warm-up sets of its own after a press, and it is the safest machine in the gym to finish close to failure.

Whole chest, machine fly

Pec Deck Fly

Chest

The pec deck trains the chest's other job, pulling your arms together across your body, without any pressing from the triceps. The pads support your arms, so you can take it to failure safely, which makes it the ideal last exercise of a machine chest day.

How to do it

  1. Set the seat so your upper arms are level with the floor when you hold the handles or rest your forearms on the pads.
  2. Sit tall with your back on the pad, arms open to the sides, elbows slightly bent.
  3. Squeeze your arms toward each other until the handles nearly touch at your midline.
  4. Open your arms slowly back out until you feel a deep stretch, stopping before your elbows pass behind your shoulders, then repeat.

Cues

  • Hug a barrel
  • Elbows lead the movement
  • Hold the squeeze for a second

Common mistakes

  • Letting the weight yank your arms back too far: stop the stretch when your hands are in line with your shoulders.
  • Rolling your shoulders forward to finish the rep: keep your chest up and shoulder blades back.

Swap for: Machine Chest Press, Machine Incline Press, Machine Chest Dip

Build a session with Pec Deck Fly

Put them together: example sessions

Each session below picks from the exercises above for one situation, with the sets, reps, rest and RIR filled in. Open one in the session builder to change a pick, price it from a recent set, and add it to RIRLift.

Session 1

New to the gym, machines only

Open in the session builder
  • Workouts2× a week
  • Working sets8 a week
  • Per workout~10 min
  • EquipmentChest Press, Fly Machine

You have trained for less than a few months, you do full-body sessions, and you want chest work you can learn in one visit.

Two machines are enough to start: the chest press teaches you to press hard on a fixed path, and the pec deck adds the fly. Four sets twice a week is plenty while you are new, because almost any hard set makes you grow. The sets stop 2 to 3 reps short of failure so you learn the seat setup and the feel of a hard rep before you chase it.

Chest (Full-Body Day)
ExerciseSets × repsRIRRest
Machine Chest Press1 warm-up set firstHandles at mid-chest. Note the seat height. 2 × 8–12 2 2 min
Pec Deck FlyStop the stretch at shoulder line. 2 × 10–15 2 75 s
How to run it
Add both machines to two full-body days a week, after your leg exercise and before your back work. Write down the seat height for each machine the first time.
How to progress
Each session, try to add one rep to every set. Once all sets reach 12 reps at 2 reps in reserve, move the pin down one plate and start again near 8.
Open in the session builder

Session 2

Full machine chest day, twice a week

Open in the session builder
  • Workouts2× a week
  • Working sets20 a week
  • Per workout~30 min
  • EquipmentIncline Chest Press, Chest Press, Fly Machine, Decline Chest Press +1

You train on a push or upper body split, use machines by choice, and want to cover upper, middle and lower chest.

Day A starts with the incline press for the upper chest, then the flat press, then the pec deck. Day B swaps the presses for the decline press and the seated dip, the two lower-chest machines, and ends on the pec deck again because it recovers fast. The first press of each day warms up with two lighter sets and stops at 2 reps in reserve to protect the weight you add next week; the second press goes to 1 and the pec deck to 0. That is 9 to 10 hard sets per day and about 19 a week.

Machine Chest A
ExerciseSets × repsRIRRest
Machine Incline Press2 warm-up sets firstHeaviest set first. 4 × 6–10 2 2:30 min
Machine Chest Press 3 × 8–12 1 2 min
Pec Deck Fly1 s squeeze each rep. 3 × 12–15 0 75 s

Open Machine Chest A in the session builder

Machine Chest B
ExerciseSets × repsRIRRest
Machine Decline Press2 warm-up sets first 4 × 6–10 2 2:30 min
Machine Chest DipLean forward over the handles. 3 × 8–12 1 2 min
Pec Deck FlyLast set: 3 s on the way back. 3 × 12–20 0 75 s

Open Machine Chest B in the session builder

How to run it
Do A and B on separate days with at least 48 hours between them, as the chest part of your push or upper days.
How to progress
Double progression: when every set of an exercise reaches the top of its range at the target RIR, add one plate. If the jump is too big, add reps first, then a plate.
Open in the session builder

Session 3

Machines after a barbell bench press

Open in the session builder
  • Workouts2× a week
  • Working sets16 a week
  • Per workout~20 min
  • EquipmentIncline Chest Press, Dip Machine, Fly Machine

You bench press with a barbell first and use machines to add volume without another heavy free-weight lift.

Your barbell press already trained the middle of the chest heavy, so the machines cover the angles it skipped: the incline press for the upper chest and the seated dip for the lower chest, then the pec deck to finish. The barbell has already tired you out, so the machines take moderate reps at 1 rep in reserve with no extra warm-up, and the pec deck goes to failure. It adds 8 sets to the bench sets you already do.

Post-Bench Machines
ExerciseSets × repsRIRRest
Machine Incline Press 3 × 8–12 1 2 min
Machine Chest DipLean forward. 2 × 10–15 1 90 s
Pec Deck Fly 3 × 12–20 0 1 min
How to run it
Run it right after your bench press, once or twice a week depending on how often you bench.
How to progress
Keep the machine weight until every set reaches the top of its range, then add a plate. If your bench press numbers start falling, cut the dip machine first.
Open in the session builder

Make it fit you

Questions

Which machine is for chest?

The seated chest press is the main one, and most gyms also have an incline and a decline version of it. The pec deck, also called the chest fly machine, trains the fly movement, and the seated dip machine works the lower chest and triceps. The cable crossover is used for chest too, with its own set of flies.

Can you build a big chest with machines only?

Yes. Your chest grows from hard sets, not from the tool, and machines let you take sets close to failure safely and repeatably. Pick a press and the pec deck, add weight as the reps go up, and you have everything a barbell would give you except practice on the barbell itself.

What is the best machine for upper chest?

The incline press machine. It angles the press upward, which puts more of the work on the upper chest. Do it first in your session, while you are fresh, if upper chest is your priority.

What machine works the lower chest?

The decline chest press and the seated dip machine. Both move your arms forward and down, which matches the direction the lower chest fibers run. Lean forward on the dip machine so the chest works instead of only the triceps.

Are chest machines good for beginners?

They are the easiest way to start. The fixed path means you can learn to push hard without balancing a bar, and you can stop a set anywhere without a spotter. Two machines, a press and the pec deck, are enough for your first months.

What chest exercises can you do with a single cable machine?

One-arm cable flies, with the pulley set high, at chest height or low depending on which part of the chest you want to train. The cable pec exercises page shows each angle; on a single pulley, do all of them one arm at a time.

How many sets of machine chest exercises should you do?

Most people grow well on 10 to 20 hard chest sets a week, split over two sessions. That is three machines for three sets each, twice a week, with each set ending 0 to 2 reps short of failure.