Arnold press

DBs at chest-height palms in, rotate to palms out as you press overhead.

family=arnold presspattern=vertical pressforce=pushmechanic=compoundequipment=free_weight

Muscles

muscle emphasis · training guidance

shouldersPRIME
triceps68
rotator cuff56
Primary
shoulders
Supporting
triceps, rotator cuff

Mechanics

Pattern
vertical press
Equipment
dumbbell
Geometry
90° Alignment
Target feel
Front and lateral delts loaded through the rotation; full overhead lock-out.
Progression
Slow the rotation phase to increase time under tension.
Regression
Reduce weight or shorten range until shoulder control is stable.

Common errors

  • Rushing the rotation and losing the front-delt bias
  • Arching to reach full overhead
  • Elbows flaring too wide at the start

Programming by goal

GoalSets × repsEffort capTempo
Strength3 × 3-6RPE ≤ 92-0-X-0
Muscle growth3 × 8-12RPE ≤ 83-1-1-0
Endurance3 × 15-25RPE ≤ 72-0-2-0

Engine defaults for one exercise. Adjust load so every rep stays within the listed effort cap.

Equipment context

Dumbbells allow a longer range of motion and independent arm movement, which can reveal side-to-side differences.

Substitutions

Progression ladder

  1. Beginner / regression: Reduce weight or shorten range until shoulder control is stable.
  2. Standard: Arnold press
  3. Advanced / progression: Slow the rotation phase to increase time under tension.

Atlas metrics

Movement pattern
vertical press
Primary target
shoulders
Supporting muscles
triceps, rotator cuff
Equipment
dumbbell
Joint geometry
90° Alignment
Alternatives
3 substitutions

Evidence & limits

Last reviewed against peer-reviewed biomechanics references. Exercise descriptions are framed as training guidance, not medical advice.

Source: ExRx.net Exercise & Muscle Directory

Eccentryx is fitness software. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease, injury, or medical condition. Consult a licensed physician before beginning any exercise program.

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FAQ

How do I set up Arnold press?
DBs at chest-height palms in, rotate to palms out as you press overhead.
What should I feel during Arnold press?
Front and lateral delts loaded through the rotation; full overhead lock-out.
What are common mistakes with Arnold press?
Rushing the rotation and losing the front-delt bias; Arching to reach full overhead; Elbows flaring too wide at the start
How do I progress Arnold press?
Slow the rotation phase to increase time under tension.
What can I do instead of Arnold press?
Seated DB overhead press, Standing barbell overhead press, Machine overhead press
Arnold press anatomy diagram.Arnold press 5-frame range-of-motion animation
The movement · Elbow 130°→2° · Shoulder 60°→0°
FgFe130→2° Elbow60→0° Shoulder90→90° Trunk

Arnold press: press pattern, 2400 ms rep trace, engine-derived.

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