Arnold Press
- Intermediate
- Dumbbell
The Arnold press starts with the dumbbells at shoulder height and the palms turned toward your face, then rotates the forearms outward as you press so the palms finish facing forward. It is a compound dumbbell push aimed at the shoulders, with the triceps and traps assisting, and the front and side of the deltoid do the moving while the upper back and trunk stabilize. The rotation takes the arm from an internally rotated start into abduction and external rotation, loading the deltoid over a longer path than a straight press.
How to do the Arnold Press
- Set an adjustable bench upright and sit with your back flat against the pad.
- Bring two dumbbells to shoulder height with your palms turned toward your face and your elbows in front of you.
- Brace your core and keep your ribs down before the first rep.
- Press the dumbbells overhead while rotating your forearms so the palms finish facing forward.
- Stop just short of locking the elbows and hold the top position briefly.
- Reverse the rotation as you lower the dumbbells back to the start.
Muscles worked
- Primary:
- Shoulders
- Secondary:
- Triceps, Traps, and Core
Why train it
- Loads the front and side of the deltoid across a longer path than a straight overhead press.
- The rotation adds time under tension without needing a heavier dumbbell.
- Seated against an upright bench it removes leg drive, so the shoulders do the work.
Common mistakes
- Rushing the rotation, which turns the lift into a swing and takes tension off the deltoid.
- Letting the ribs flare and the lower back arch, which moves load from the shoulders to the spine.
- Locking the elbows hard at the top, which parks the load on the joint instead of the muscle.
- Starting with the palms already facing forward, which removes the rotation the exercise exists for.
Frequently asked questions
What muscles does the Arnold Press work?
The Arnold Press trains the shoulders as the main target. Expect the triceps, traps, and core to take some of the load as well.
What equipment do I need for the Arnold Press?
The Arnold Press needs a dumbbell. Nothing beyond that is required to run the movement the way it is described above.
Is the Arnold Press suitable for beginners?
With some training behind you. The Arnold Press is rated intermediate, which means the setup matters as much as the effort. It is a reasonable first month goal rather than a first session one, and the alternatives below are the easier way in.
Can I do the Arnold Press at home?
Yes, if you own a dumbbell. That is the whole requirement, and it is the reason this one travels well between a home setup and a gym floor.
How many sets and reps of the Arnold Press should I do?
Three to five sets of 6 to 12 reps. Sit at the lower end with heavier weight when you are chasing strength, and at the upper end when you are chasing size.
What are good alternatives to the Arnold Press?
Barbell Overhead Press, Kettlebell Thruster, and Band Lateral Raise train the same primary muscles as the Arnold Press. Pick whichever one matches the equipment in front of you.