Incline Smith Machine Press: Angle, Setup and Form Guide

The incline Smith machine press is a bench press done on an inclined bench under a Smith machine bar, and it's one of the simplest ways to load your upper chest hard without a spotter. Set the bench to about 30 degrees, slide it so the bar lands on your upper chest just below your collarbones, take a grip a little wider than shoulder-width, and lower under control. That 30-degree setting matters more than most people realise: go steeper than 45 degrees and the lift turns into a front-delt exercise. Below is the full setup, the cues that make it work, what the research says about bench angle, and how to programme it.

How to set up the incline Smith press

Most bad incline Smith reps go wrong before the bar even moves. Get these four things right first.

Bench angle: 30 degrees, 45 at most

Set your adjustable bench to roughly 30 degrees. On a lot of home benches that's the first or second notch above flat; if yours has an angle guide printed on the frame, use it, and if not, a phone level app against the backrest takes ten seconds.

Why 30? In a 2020 study, researchers at the University of Almería measured muscle activity in 30 trained adults pressing at five bench angles (0, 15, 30, 45 and 60 degrees) and found the upper portion of the pec major peaked at 30 degrees (Rodríguez-Ridao et al., 2020). At inclines above 45 degrees, front delt activity rose sharply while pec performance dropped. An earlier study on free-weight pressing found 30 and 45 degrees both raised upper-pec activity over flat during part of the lift, though not across the whole rep, and that 45 degrees cut lower-pec activity noticeably (Lauver et al., 2016).

So 30 degrees is the default. Use 45 if you deliberately want more shoulder in the movement or if 30 feels too close to a flat press for you, but don't go past it.

Bench position: where the bar lands

This is the bit that's unique to the Smith machine. A free barbell lets you steer the bar to your chest; a Smith bar moves straight up and down on its rails, so the bench has to come to the bar.

Sit on the bench and lie back. Unrack an empty bar, lower it slowly, and see where it touches. You want contact on your upper chest, about 3cm to 5cm below your collarbones. If it's landing on your throat or collarbones, slide the bench back towards your feet; if it's landing mid-chest, slide it forward. Some people like the bench a touch forward so the bar path ends slightly behind the shoulders at lockout, which can feel more natural, but the touch point on the chest is what you're checking.

Mark the floor with a bit of tape once you've found it. You'll save five minutes every session.

Grip width

Take a grip slightly wider than shoulder-width, so that at the bottom your forearms are close to vertical when viewed from the front. Too narrow and your triceps take over; too wide and your shoulders get cranky at the bottom. Wrap your thumbs around the bar. A thumbless grip is still a bad idea on a fixed-path bar, because the bar can slip out of your hands even when the rails keep it in line.

Unracking and safety stops

Smith bars rack on hooks along the uprights. To unrack, press the bar up an inch and rotate your wrists so the hooks swing clear (the direction varies by machine, so check yours with an empty bar). To re-rack, rotate the other way at the top so the hooks catch a slot.

Before your first working set, set the safety stops (sometimes called catches or limiters) just below the height of your chest at the bottom of a rep. If you fail, you lower the bar onto them and slide out. This is the main reason to do incline work on a Smith machine at home: you can take sets close to failure with nobody around.

How to do the incline Smith machine press

1. Set your back. Lie on the bench, eyes roughly under the bar. Pull your shoulder blades back and down into the pad and keep a small, natural arch in your lower back. Your glutes stay on the seat.
2. Plant your feet. Feet flat on the floor, slightly wider than hips. Push lightly through them so your upper back stays pinned.
3. Unrack. Press the bar up, rotate the hooks clear, and hold it at arm's length with locked (not hyperextended) elbows.
4. Lower. Take about 2 seconds to bring the bar to your upper chest. Elbows sit around 45 to 60 degrees from your torso, not flared straight out at 90.
5. Touch and press. Touch lightly without bouncing, then drive the bar straight up, squeezing your chest as you go. Keep your shoulder blades back throughout; don't let your shoulders roll forward at the top.
6. Re-rack. On the last rep, lock out fully and rotate the hooks into a slot before you let go.

The cue that helps most people: think about pushing yourself away from the bar into the bench, not pushing the bar off you. It keeps your shoulder blades set and the stress on your chest.

Muscles worked

• Upper chest (clavicular head of the pec major). The prime target. The incline shifts the line of pull towards the fibres that attach to your collarbone, which flat pressing works less.
• Mid and lower chest. Still working, just less than on a flat bench. The Almería study found the mid and lower pec were most active at 0 degrees.
• Front delts. They assist at every angle and take a bigger share as the bench gets steeper. This is why 60 degrees and above feels more like a shoulder press.
• Triceps. They straighten your elbows at the top, and their activity barely changed with bench angle in the 2020 study.
• Upper back and rotator cuff. Working isometrically to hold your shoulder blades set, less so than on a free bar because the rails handle balance.

Benefits over the barbell incline press

The honest answer is that neither is better overall. They do slightly different jobs.

You can train to failure alone. With safety stops set, a failed rep just means lowering the bar onto the catches. On a free-weight incline press, a failed rep without a spotter or safety arms is a genuinely dangerous position.

Strength stays close to a free bar. In a Norwegian study of trained lifters, 1RM on the Smith machine bench (103.6kg on average) was only about 3kg below the free barbell (106.4kg), and both beat dumbbells comfortably (van den Tillaar and Saeterbakken, 2012). You aren't giving up much loading to get the safety.

It's easier to isolate the chest. With balance taken care of, you can focus on tempo and position, which is handy late in a session when your stabilisers are already tired.

The catch: less carryover. Because the rails do the stabilising, getting strong on the Smith incline won't fully transfer to a free-bar incline press. If you compete or test a barbell lift, keep the barbell version in your programme too. Our incline bench press guide covers that version in detail.

Common mistakes

Bench too steep. The most common one by a distance. People crank the bench to 45 to 60 degrees thinking "more incline, more upper chest". The research says the opposite: past 45, the front delts take over.

Wrong bench position. If the bar is hitting your throat or the middle of your chest, the bench is in the wrong place. Fix it with an empty bar before you load anything; don't try to fix it by contorting your shoulders.

Butt coming off the bench. Lifting your hips to grind out a rep flattens the incline and turns it into a flat press. If your hips come up, the weight's too heavy.

Flared elbows. Elbows straight out at 90 degrees puts a lot of strain on the front of the shoulder. Tuck them to roughly 45 to 60 degrees.

Forgetting the safeties. The whole point of the Smith version is that it's safe to push hard. Skipping the stops throws that away.

Bouncing off the chest. It moves more weight and does less work. Touch, then press.

Variations

• Incline Smith press with a pause. Hold the bar a centimetre off your chest for 1 to 2 seconds before pressing. Brutal on the upper chest, and a good fix if you've been bouncing.
• Low-incline Smith press (15 degrees). A middle ground between flat and incline. Useful if 30 degrees bothers your shoulders.
• Close-grip incline Smith press. Hands at shoulder-width or slightly inside. Shifts more work to the triceps.
• Reverse-grip incline Smith press. Underhand grip, hands slightly wider than shoulders. Some lifters feel their upper chest more this way; start light, because the hook rotation feels different.
• Incline dumbbell press. Not a Smith variation, but the natural swap when you want a bigger range and independent arms. See our incline dumbbell press guide.

If you're working the flat version too, the Smith machine bench press guide covers its setup and bench position, which differ slightly.

Sets and reps

• Muscle growth: 3 to 4 sets of 6 to 12 reps, once or twice a week. Rest 2 to 3 minutes. Most sets should finish 1 to 2 reps short of failure; the last set can go to failure because the safeties are there.
• Strength: 4 to 5 sets of 4 to 6 reps with 3 minutes' rest. Keep the bench at the same angle and position each week so your numbers are comparable.
• As a second chest exercise: 3 sets of 8 to 12 after your main flat press. That's usually enough upper-chest volume for most people.

Add 2.5kg (a 1.25kg plate each side) once you hit the top of your rep range on every set. Log your bench notch and floor mark alongside the weight; a different bench position can change your numbers by more than you'd think.

Training at home on a Smith machine

If you're building a home gym around this lift, a compact Smith machine plus an adjustable bench is enough to cover incline, flat and shoulder pressing. The Bodypower Compact Smith Machine was in stock at around £293 when we checked, which makes it one of the cheaper ways in. Check the bar weight, height and bench clearance against your room before you buy.

Check price on Amazon

For bigger budgets and an all-in-one station, our Strongway Smith machine review looks at a full multi-gym with twin weight stacks, and our best Smith machine UK guide compares the wider field. For more chest and full-body routines, browse the workouts hub.

Recommended reads

1. Smith machine bench press: setup and form
2. Incline bench press: how to do it properly
3. The best Smith machines in the UK
4. Strongway Smith machine review
5. More workouts and exercise guides