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Last updated February 2, 2026
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shoulders

Arnold Press - Alternate (Dumbbell)

Press one dumbbell overhead while rotating your palm forward. Lower it back to the start position before lifting the other arm. Focus on smooth rotation.

Quick facts

Difficulty
Moderate
Mechanic
Compound
Force
Push
Type
Strength
Injury Risk
Moderate
Hypertrophy
Very High
Calorie Burn
Medium

Muscle focus

Primary and secondary muscle groups targeted by this movement.

Primary

front shoulders

Secondary

triceps

Equipment & setup

What you need and how to position yourself before starting.

Equipment

dumbbellbench

Movement pattern

Alternate

Posture

Seated

Tracking parameters

repsweight

Step-by-step instructions

Follow these cues to master proper technique and stay safe through every rep.

  1. Step 1Setup
    • Sit on a bench with back support or stand upright with your feet shoulder-width apart.
    • Hold a dumbbell in each hand at shoulder height with your palms facing your body.
  2. Step 2Position Your Arms
    • Ensure your elbows are bent and your arms are at a 90-degree angle.
    • Your palms should be facing your body, and your wrists should be straight.
  3. Step 3Engage Your Core
    • Tighten your core muscles to stabilize your body during the movement.
    • Keep your back straight and avoid arching it.
  4. Step 4Press the Dumbbells
    • Rotate your palms outward as you press the dumbbells overhead.
    • Extend your arms fully while keeping a slight bend in your elbows at the top.
  5. Step 5Lower the Dumbbells
    • Reverse the motion by lowering the dumbbells back to shoulder height.
    • Rotate your palms back to face your body as you lower the weights.
  6. Step 6Alternate Arms
    • After lowering the dumbbells, press one dumbbell overhead while keeping the other at shoulder height.
    • Alternate between arms for each repetition.
  7. Step 7Finish the Exercise
    • After completing your desired number of reps, carefully lower the dumbbells to your thighs.
    • Stand up straight or remain seated while placing the dumbbells down safely.
Version 1 · Created November 12, 2025