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Dumbbell One-Arm Press (on Stability Ball) exercise demonstration - starting position (step 1 of 2)
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Step-by-step demonstration of the Dumbbell One-Arm Press (on Stability Ball) exercise showing proper form and technique

Dumbbell One-Arm Press (on Stability Ball)

Target Muscles

Equipment Required

Exercise Type

Weight & Reps

How To Do

Sit on a stability ball with your upper back supported and hips lifted, holding a dumbbell in one hand with your elbow bent at 90 degrees. Press the dumbbell straight up over your chest until your arm is fully extended, then lower it back down with control. Keep your core engaged and body stable throughout the movement.

Step-by-Step Instructions

  1. Begin by sitting on a stability ball while holding a dumbbell in one hand. Keep your feet flat on the floor, shoulder-width apart, for stability.
  2. Slowly walk your feet forward and roll your body down onto the stability ball until your upper back and shoulders are supported by the ball. Your hips should be lifted, forming a straight line from your knees to your shoulders.
  3. Hold the dumbbell in one hand with your arm bent at a 90-degree angle, keeping your elbow in line with your chest. Your other arm can rest on your side or be extended for balance.
  4. Engage your core and press the dumbbell upward until your arm is fully extended, keeping your wrist straight and aligned with your forearm.
  5. Slowly lower the dumbbell back to the starting position, maintaining control throughout the movement.
  6. Complete the desired number of repetitions on one side, then switch to the other arm and repeat.

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Frequently Asked Questions

Which muscles does the Dumbbell One-Arm Press on a stability ball work?
This exercise primarily targets the chest muscles while also engaging the shoulders, triceps, abs, and glutes. The single-arm movement increases core stability demands, helping improve balance and overall functional strength.
What equipment do I need for the Dumbbell One-Arm Press on a stability ball?
You’ll need a stability ball and a dumbbell for this exercise. If you don’t have a stability ball, you can use a bench or perform the movement on the floor, but you’ll lose some of the core engagement benefits.
Is the Dumbbell One-Arm Press on a stability ball suitable for beginners?
Beginners can perform this movement with light weights to focus on mastering form and balance. However, they should ensure they are comfortable sitting and supporting themselves on a stability ball before adding heavier loads.
What are common mistakes to avoid when doing the Dumbbell One-Arm Press on a stability ball?
A common mistake is letting your hips drop, which reduces core activation. Also avoid using momentum to lift the dumbbell; instead, maintain controlled, steady movements and keep your wrist aligned with your forearm.
How many sets and reps should I do for the Dumbbell One-Arm Press on a stability ball?
For general strength, aim for 3–4 sets of 8–12 reps per arm. Use a weight that challenges you but still allows for proper form throughout each set.
What safety tips should I follow for the Dumbbell One-Arm Press on a stability ball?
Make sure the stability ball is properly inflated and that you’re on a non-slip surface. Keep your core engaged to prevent wobbling, and choose a manageable weight to reduce the risk of losing balance.
Are there variations of the Dumbbell One-Arm Press on a stability ball?
Yes, you can try alternating presses with both arms or using a neutral grip for a slightly different shoulder emphasis. Advanced lifters can add a slight rotation at the top for extra oblique engagement.