Shoulders · Shoulder abduction
Lateral Raise Machine
The lateral raise machine is a seated side-delt exercise where you press your arms against pads and lift them out to the sides along a fixed arc. The machine supports your torso and guides the path, so the lateral deltoids can be trained close to failure with less swinging and balance work than a free-weight lateral raise.
Also known as: Side raise machine, Machine lateral raise, Seated lateral raise machine
- Muscle group
- Shoulders
- Movement pattern
- Shoulder abduction
- Type
- Isolation
- Equipment
- Lateral raise machine
- Difficulty
- Beginner
What muscles does the lateral raise machine work?
Primary movers
- Lateral deltoid
Assisting muscles
- Anterior deltoid
- Supraspinatus
- Trapezius (upper)
The lateral deltoid raises the arm out to the side. The machine arm moves on a pivot, and the resistance is aligned so that the delt works hard from start to finish.
The seat and back pad stabilise the body. You can stay strict and push the delts to failure without the swinging that often creeps into standing raises.
The pad usually sits on the forearm or above the elbow, so the hands do not carry the load. That helps you think about lifting with the elbows.
Machine design affects feel. If the pivot does not match your shoulder, the arc will feel awkward, so seat adjustment matters.
How to do the lateral raise machine
Setup
- 1
Adjust the seat so the machine's pivot lines up with your shoulder joint.
- 2
Sit upright with your back against the pad.
- 3
Place your arms against the arm pads with your elbows slightly bent.
- 4
Set the starting position so you have a light stretch in the delts.
Execution
- 1
Lead with your elbows and raise your arms out to the sides.
- 2
Lift until your arms are about parallel to the floor.
- 3
Pause for a moment at the top.
- 4
Lower slowly under control.
- 5
Keep your shoulders down.
- 6
Do not let the weight stack touch down between reps.
Common lateral raise machine mistakes
Misaligned pivot
A seat that is too high or low changes the arc and the muscles worked.
The fix: Align the pivot with your shoulder joint before you start.
Shrugging
Raising the shoulders transfers the load to the traps.
The fix: Keep your shoulders down and push with the elbows.
Using too much weight
Heavy loads cut the range and bring in momentum.
The fix: Choose a weight you can lift for 12 to 15 reps with control.
Dropping the lowering phase
Letting the pads fall removes the loaded stretch.
The fix: Take two seconds to lower.
How many sets and reps?
| Goal | Sets | Reps | Load | Rest |
|---|---|---|---|---|
| Hypertrophy | 3–4 | 12–20 | Moderate, 1–2 RIR | 60 s |
| Drop sets | 2 | To failure, then reduce weight | Moderate to light | 60 s |
| Beginner | 2–3 | 12 | Light | 60 s |
Machines make it easy to push the side delts hard and to use techniques such as drop sets and partials. Two or three sessions a week is a good target. Track the weight and the seat setting so you can repeat them.
Running the lateral raise 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 PlayLateral Raise Machine variations and alternatives
Lateral Raise
AlternativeThe dumbbell version, which is more demanding on balance and control.
Cable Lateral Raise
AlternativeGives tension at the bottom with a freer path.
Seated Shoulder Press Machine
AlternativeA machine press that loads the delts overhead.
Dumbbell Upright Row
AlternativeA compound pull for the side delts and traps.
Rear Delt Machine
AlternativeAnother shoulder machine for the rear delts.
Frequently asked questions
Is the lateral raise machine good for shoulders?
Yes, it isolates the side delts with a stable position and a fixed path. It is a good option if free-weight raises feel hard to control.
Machine or dumbbell lateral raises?
The machine is stricter and easier to push to failure. Dumbbells need no equipment and train stability. Both build the side delts.
How do I set up the machine?
Align the pivot with your shoulder joint, keep your back against the pad and rest your arms on the pads with a slight elbow bend.
Why do I feel it in my traps?
Usually shrugging or too much weight. Keep your shoulders down and lower the load.
How many reps should I do?
12 to 20 reps works well, taking each set close to failure.
Hercules tracks every lateral raise machine you log, shows you last session's numbers before you lift, and flags when your progress stalls.
Get it on Google Play