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Arnold Press demonstration
Exercise library

Arnold Press

The Arnold press is a dumbbell shoulder press with a rotation that works all three heads of the deltoid through a long range of motion.

DumbbellShouldersIntermediate
Equipment
Dumbbell
Focus
Shoulders
Level
Intermediate
Suggested sets
3–4 sets of 8–12 reps.
Muscles worked
ShouldersTricepsTraps

How to do it

  1. 1Sit on a bench with back support and hold a dumbbell in each hand at shoulder height, palms facing you.
  2. 2Keep your core tight and your back against the pad.
  3. 3Press the dumbbells up while rotating your palms to face forward.
  4. 4Finish with the weights overhead and your arms nearly straight.
  5. 5Reverse the path back to the start, rotating your palms toward you, and repeat.

Tips & tricks

  • Move smoothly so the rotation and the press flow into one motion.
  • Keep your ribs down and avoid arching your lower back to push the weight up.
  • Start lighter than a standard press until the rotation feels natural.

Common mistakes

  • Using heavy weights that force you to lean back and turn it into an incline press.
  • Rushing the rotation and banging the dumbbells together at the top.
  • Letting your elbows drift too far behind your body.

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