Should I press until my elbows lock out completely?

You can extend your arms fully, but avoid forcefully snapping your elbows into a hard lockout. Stopping just short of full lockout keeps constant tension on the deltoids.

How does the machine shoulder press compare to free weight overhead press?

The machine provides a fixed path and back support, making it easier to isolate the deltoids without needing to stabilize the weight. Free weights recruit more stabilizer muscles but require better technique and core control.

What grip width should I use on the machine?

Most machines have fixed handle positions at roughly shoulder width, which is appropriate for most lifters. If adjustable handles are available, position them so your forearms stay vertical throughout the press.

Shoulder Press (Machine)

The shoulder press machine is a fixed-path overhead pressing movement that targets the deltoids and triceps while providing back support. It suits lifters who want to isolate the shoulders with stable resistance or those learning the overhead pressing pattern.

Muscle group: Shoulders
Primary muscles: deltoids, triceps
Equipment: Machine

How to do the Shoulder Press (Machine)

Adjust the seat height so the handles align with your upper chest or shoulder level.
Sit with your back flat against the pad, grip the handles at shoulder width, and plant your feet firmly on the floor.
Press the handles straight overhead until your arms are fully extended without locking out hard.
Lower the handles under control back to the starting position at shoulder height.
Repeat for the desired number of reps, maintaining contact between your back and the pad throughout.

Form tips

Keep your core braced and avoid arching your lower back excessively as you press overhead.
Press in a straight vertical path rather than letting the handles drift forward.
Control the descent instead of letting the weight stack crash down between reps.

Common mistakes

Lifting your lower back off the pad reduces stability and shifts load away from the shoulders.
Setting the seat too high or low changes the pressing angle and can strain the shoulder joint.
Using momentum by bouncing the weight at the bottom reduces time under tension and increases injury risk.

Sets and reps

For strength, perform 3 to 5 sets of 4 to 6 reps with heavier load; for hypertrophy, use 3 to 4 sets of 8 to 12 reps with moderate weight.

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Frequently asked questions

Should I press until my elbows lock out completely?: You can extend your arms fully, but avoid forcefully snapping your elbows into a hard lockout. Stopping just short of full lockout keeps constant tension on the deltoids.
How does the machine shoulder press compare to free weight overhead press?: The machine provides a fixed path and back support, making it easier to isolate the deltoids without needing to stabilize the weight. Free weights recruit more stabilizer muscles but require better technique and core control.
What grip width should I use on the machine?: Most machines have fixed handle positions at roughly shoulder width, which is appropriate for most lifters. If adjustable handles are available, position them so your forearms stay vertical throughout the press.

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