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Arnold Press is a classic exercise popularized by Arnold Schwarzenegger. Unlike the traditional dumbbell overhead press, the added arm rotation makes the movement engage all three heads of the deltoid muscle. As a result, the shoulders work more comprehensively and the physique-shaping effect is much more pronounced.

The standing version is more functional and additionally activates the core and trunk stabilizing muscles, while also contributing to a higher calorie burn.

<h2>Which muscles are involved in the Arnold press?</h2>

<strong>Primary muscles:</strong>
* anterior deltoid (front head),
* lateral deltoid (side head),
* posterior deltoid (rear head) – to a lesser extent, but actively involved in stabilization.

<strong>Secondary muscles:</strong>
* triceps (triceps brachii),
* upper portion of the pectoralis major,
* shoulder rotator cuff muscles,
* scapular stabilizers (e.g. serratus anterior, rhomboids),
* abdominal muscles and spinal erectors (postural stabilization, especially in the standing version).

<h2>Proper technique</h2>

<strong>Starting position:</strong>
1. Stand with a slight stance, feet shoulder-width apart.
2. Slightly bend your knees and brace your core.
3. Keep your back straight, chest lifted, shoulder blades gently retracted.
4. Hold the dumbbells at shoulder height, palms facing each other or toward your face.
5. Elbows bent at about 90° and positioned slightly in front of the torso.

<strong>Concentric phase – pressing:</strong>
1. Start the movement by pressing the dumbbells upward.
2. Halfway through the range of motion, smoothly rotate your wrists 180°, turning the palms forward.
3. At the top position, the arms are almost straight and the dumbbells are overhead.

<strong>Eccentric phase – lowering:</strong>
1. Slowly lower the dumbbells.
2. During the descent, perform the reverse rotation, returning to palms facing each other.
3. Control the movement and do not let the dumbbells drop.
4. Elbows should finish the movement roughly at chest height.

<strong>Breathing:</strong>
* Inhale at the bottom position.
* Exhale while pressing the dumbbells upward.

<h2>Most common mistakes</h2>

<strong>Using too much weight</strong>
Leads to excessive arching of the lower back (hyperlordosis) and shifts the workload to the spine instead of the shoulders.

<strong>Lack of full wrist rotation</strong>
Without rotation, the Arnold press becomes a standard shoulder press, causing you to lose its main advantage.

<strong>Locking out the elbows at the top</strong>
May lead to joint overload and pain. Stop the movement just before fully locking the elbows.

<strong>Bending and straightening the knees (push press) during the press.</strong>
The torso and legs should be rock solid. If you have to “bounce” or use a leg drive to press the weight up, it means the dumbbells are too heavy.

<h2>What workouts pair well with the Arnold press?</h2>
The Arnold press works well in Full Body Workout (FBW) routines, Upper Body or Push workouts, shoulder and arm training sessions, as well as programs focused on shaping and strengthening the upper body. It can also be included as part of fat-burning and toning workouts.


Arnold Press

Arnold Press

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Which muscles are involved in the Arnold press?

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