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Shoulder exercise · Isolation

Lateral Raise

You lift your arms out to the sides until they're about level with your shoulders, then lower them slowly; it's the main isolation move for the side delts.

Equipment

Primary muscles
Side delts
Secondary
Front delts, Serratus
Difficulty
Beginner
Logged as
Weight × reps
Lateral Raise (Machine)

Why do it

Lateral raises suit anyone who wants broader-looking shoulders, since presses mostly train the front delts and leave the side delts underworked. Dumbbells are the easy default and need nothing but a light pair. The cable version trains one side at a time and keeps tension at the bottom, where dumbbells go slack. The machine holds the path for you, so it's the one to push closest to failure without your form falling apart.

How to do it (Machine)

  1. Set the seat so the pads sit at or just below shoulder height when you're seated.

  2. Sit with your back flat against the pad and place your arms under the pads or on the handles.

  3. Raise your arms out to the sides until they're about level with your shoulders.

  4. Lower slowly under control. The machine holds the path for you, so you can push closer to failure than with dumbbells.

Common mistakes

Swinging the weights up

If your torso rocks to start each rep, momentum is doing the lifting. Drop the weight until you can raise it with your body still.

Shrugging the weight up

When your shoulders creep toward your ears, the traps take over. Think of pushing your hands out wide rather than up, and keep your neck long.

Raising far above shoulder height

Going well past shoulder level shifts the load off the side delts and onto the traps. Stop when your arms are about level with your shoulders.

Letting the weights drop

Letting the weights fall back to your sides skips half the work. Lower them slowly, keeping a little tension on the side delts all the way down.

Sets, reps and progression

How many sets you do and how close to failure you take them depend on your goal and your week, not on the exercise. These guides cover it:

  • How Many Sets Per Week to Build Muscle
  • How Close to Failure Should You Train?
  • How Much Weight to Add and When to Add It

Alternatives that train the same thing

Same movement, a different angle or piece of equipment.

Seated Lateral Raise

Dumbbell

Seated, so there's no leg drive or body swing to help.