Iso Lateral Machine Shoulder Press
Also known as: iso lateral shoulder press
In SetGrip: Machine Shoulder Press (Iso Lateral)
Independent handles mean your stronger arm cannot quietly finish reps for the weaker one, which a barbell or fixed machine lets happen for years. Load each side separately with plates and you can even run an extra set for the lagging shoulder. The arc converges slightly overhead, closer to a dumbbell path than a straight bar.
How to do the Iso Lateral Machine Shoulder Press
- Adjust the seat height and backrest of the leverage machine to a comfortable position.
- Sit on the machine with your back against the backrest and your feet flat on the floor.
- Grasp the handles of the machine with an overhand grip, slightly wider than shoulder-width apart.
- Push the handles upward and forward until your arms are fully extended, but not locked.
- Pause for a moment at the top, then slowly lower the handles back down to the starting position.
- Repeat for the desired number of repetitions.
Tip: Take a breath and brace before unracking, then press up and slightly back so the bar ends over the middle of the foot.
Muscles worked
Primary
Delts · Shoulders
The front and side delts drive the weight off the shoulders and should carry the load all the way to lockout; the burn builds across the whole shoulder cap.
Common mistakes
- Leaning back into an incline — if the lower back arches hard, the chest is doing the work; squeeze the glutes, brace the abs and keep the ribs down.
- Pressing around the head — the bar should travel straight up, so pull the chin back to let it pass, then push the head through at the top.
- Stopping short of lockout — finish with the arms straight and the bar stacked over the shoulders and hips, shoulders shrugged slightly up at the top.
- Elbows drifting behind the bar — keep the elbows slightly in front of the bar at the bottom, with the wrists stacked straight above them.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Strength | 4–5 × 3–6 | 2–3 min |
| Muscle growth | 3–4 × 6–12 | 90–120 s |
| Endurance | 2–3 × 12–20 | 60 s |
Overhead presses go first in a shoulder session or second after bench in a push day. Superset them with a pulldown or pull-up for a vertical push and pull pair.
Variations and alternatives
Similar exercises
Without machine
Frequently asked questions
What muscles does the Iso Lateral Machine Shoulder Press work?
The Iso Lateral Machine Shoulder Press primarily works the delts. It also involves the triceps and pectorals, which assist the movement and stabilise the joints.
Is the Iso Lateral Machine Shoulder Press good for beginners?
Yes. The Iso Lateral Machine Shoulder Press is rated beginner: it uses a machine and the movement is simple to learn. Start light, focus on the full range of motion and add load once every rep looks the same.
What can I do instead of the Iso Lateral Machine Shoulder Press?
If you cannot do the Iso Lateral Machine Shoulder Press, try the Foot Assist Machine Shoulder Press, the Single Arm Landmine Shoulder Press or the Machine Shoulder Press. Each of them trains the delts through a similar movement, so you can swap them in without changing the rest of the workout.
How many sets and reps should I do?
It depends on your goal. For the Iso Lateral Machine Shoulder Press, a sensible starting point is strength: 4–5 × 3–6 with 2–3 min rest; muscle growth: 3–4 × 6–12 with 90–120 s rest; endurance: 2–3 × 12–20 with 60 s rest. Put it early in the session while you are fresh, before isolation work for the same muscles.
Track the Iso Lateral Machine Shoulder Press in SetGrip
All 1,100+ exercises with animations are in the app. No account, no sign-up — your data stays on your iPhone. Works with Apple Watch.
More exercises
Exercise data and animations are licensed ExerciseDB content used in SetGrip. This page is for general information and is not medical or coaching advice.