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Push · Dumbbells, bench

Arnold press: how to do it and why it works

The Arnold press adds rotation to an overhead press, which drags the front and side delts through more range than a standard press ever will.

Muscles worked: Anterior deltoid, Lateral deltoid, Triceps

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How to do it

  1. Sit upright with dumbbells at chin height, palms facing you, elbows tight in front of the chest.
  2. Begin pressing while rotating the palms outward so they face forward at the halfway point.
  3. Finish overhead with arms straight and biceps near the ears.
  4. Reverse exactly: lower while rotating the palms back toward your face.
  5. Keep the ribs down and the core braced so the press does not become a back arch.

Mistakes to avoid

  • Rotating after the press instead of during it, which removes the point of the lift.
  • Going too heavy — the rotation phase is the weak link, not the lockout.
  • Letting the elbows drop below chest level at the bottom and stressing the shoulder capsule.

Sets and reps

GoalPrescription
Size3–4 sets of 8–12 reps, 90s rest
Shoulder health3 sets of 12–15 light, slow reps
SupersetPair with lateral raises for a delt finisher

Swaps and alternatives

  • Dumbbell shoulder press — Heavier loading when rotation is the limiter.
  • Cuban press — More external rotation work for overhead athletes.
  • Lateral raise — Isolates the side delt without overhead stress.

Common questions

What people ask about arnold press

This guide covers arnold pres form, how to do arnold press correctly, arnold pres muscles worked, arnold pres sets and reps for muscle growth, dumbbells, bench anterior deltoid exercise and the swaps to run when a rack or bench is taken.

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