Shoulders · Vertical push

Seated Shoulder Press Machine

The seated shoulder press machine is a guided overhead press where you sit against a back pad and push two handles upward until your arms are straight. The fixed path and back support remove the balance and lower-back demands of a free-weight press, so you can load the front and side delts and triceps hard with less risk.

Also known as: Machine shoulder press, Shoulder press machine, Seated overhead press machine

Muscle group: Shoulders
Movement pattern: Vertical push
Type: Compound
Equipment: Shoulder press machine
Difficulty: Beginner

What muscles does the seated shoulder press machine work?

Primary movers

Anterior deltoid
Lateral deltoid
Triceps brachii

Assisting muscles

Pectoralis major (clavicular)
Trapezius (upper)
Serratus anterior

The front delts do most of the pressing, with the side delts and triceps helping. The upper chest also contributes at the start of the press.

The machine fixes the path, so you do not have to balance the weight. That makes it easy to push close to failure safely and to use heavy weight without a spotter.

The back pad supports your torso. If you arch, the press becomes more of an incline press, so keep your lower back against the pad.

Because the stabiliser demand is low, the machine is a good complement to free-weight presses rather than a replacement for them.

How to do the seated shoulder press machine

Setup

1
Adjust the seat so the handles are at about shoulder height.
2
Sit with your back flat against the pad and your feet on the floor.
3
Grip the handles with an overhand grip.
4
Brace your core and keep your ribs down.

Execution

1
Press the handles upward until your arms are almost straight.
2
Exhale as you press.
3
Pause briefly at the top without shrugging.
4
Lower the handles slowly to shoulder level.
5
Keep your back against the pad.
6
Do not bounce at the bottom.

Common seated shoulder press machine mistakes

Arching the back

Pushing the hips and chest forward makes the press easier but loads the lower back.

The fix: Keep your lower back on the pad and your ribs down.

Seat too low or high

Handles in the wrong position strain the shoulders or shorten the range.

The fix: Set the handles at shoulder level at the bottom.

Locking the elbows hard

Forcing the elbows straight stresses the joint at the top.

The fix: Stop just short of lockout.

Bouncing

Using the stack's momentum at the bottom reduces control.

The fix: Lower slowly and press from a controlled position.

How many sets and reps?

Goal	Sets	Reps	Load	Rest
Hypertrophy	3–4	8–12	Moderate to heavy	90 s
Strength	4	5–8	Heavy	2 min
Beginner	2–3	10–12	Light	60–90 s

A good choice after a free-weight press when your stabilisers are tired, or as the main press on days when you want to push hard without a spotter. Add weight when you reach the top of your range. Keep a free-weight press in your plan too.

Running the seated shoulder press machine in your next block? Hercules logs every set, shows last session's numbers before you lift, and suggests when to add weight.

Get it on Google Play

Seated Shoulder Press Machine variations and alternatives

Dumbbell Shoulder Press

Harder

Needs more balance and stabilisation.

Barbell Overhead Press

Harder

A heavier standing press that trains the whole body.

Seated Barbell Military Press

Alternative

A seated barbell press with back support.

Arnold Press

Alternative

A dumbbell press with a rotation.

Lateral Raise Machine

Alternative

An isolation machine for the side delts.

Frequently asked questions

Is the shoulder press machine as good as dumbbells?

It trains the same muscles with less balance demand. Dumbbells recruit more stabilisers, and machines let you push closer to failure. A mix works well.

How do I set the seat?

So the handles sit at shoulder height at the bottom of the press, with your back flat against the pad.

Is the shoulder press machine good for beginners?

Yes. The fixed path makes it easy to learn and to load safely.

Why do my shoulders hurt on the machine?

The handle position may not suit you. Try a different grip, lower the seat or reduce the range at the bottom.

How heavy should I go?

Pick a weight that lets you do 8 to 12 reps with your back on the pad. If you start arching, reduce it.

Hercules tracks every seated shoulder press machine you log, shows you last session's numbers before you lift, and flags when your progress stalls.

Get it on Google Play

Related exercises

Shoulders