Dumbbell One Arm Press (on stability ball)
- Synergistenmuskeln
- Deltoid Anterior, Hamstrings, Triceps Brachii
- Equipment
- Dumbbell
- Körperregion
- Chest
- Typ
- Strength
The dumbbell one arm press on a stability ball is a single-arm chest exercise that targets the pectoralis major (both the clavicular and sternal heads), with help from the front deltoids and triceps. Pressing one dumbbell while your upper back rests on the ball forces your glutes, hamstrings, and core to brace hard against rotation, making it as much a stability drill as a pushing movement.
Dumbbell One Arm Press (on stability ball): So führst du sie aus
- 1Sit on a stability ball holding one dumbbell on your thigh, then walk your feet forward and roll down until your head, neck, and upper back are supported on the ball.
- 2Set your feet flat on the floor about hip-width apart and lift your hips so your torso forms a stable bridge, glutes and hamstrings squeezed.
- 3Press the dumbbell up over your chest with your arm fully extended, and rest your free hand on your hip or thigh.
- 4Brace your core and resist any twist toward the loaded side as you lower the dumbbell under control to the side of your chest.
- 5Keep your elbow at roughly a 45–75° angle to your torso and your wrist stacked over your forearm at the bottom.
- 6Press the dumbbell back up over your chest until your arm is fully extended, keeping your hips level the whole time.
- 7Complete all reps on one side, then switch the dumbbell to the other hand and repeat.
Technik-Tipps
- Squeeze your glutes and hamstrings to hold the bridge so your hips don't sag or drift as you press.
- Actively resist rotation toward the working arm — the single-side load is constantly trying to twist you off the ball.
- Keep the movement slow and controlled; the unstable base means you can't muscle through a rep the way you could on a bench.
- Start lighter than you would for a flat dumbbell press until you trust your balance, and keep the floor clear in case you need to set the weight down.
Häufige Fehler
- Letting your hips drop during the set, which collapses the bridge and shifts the work off your chest onto your lower back.
- Rotating your torso toward the loaded arm, which spills tension out of the pec and threatens your balance on the ball.
- Going too heavy, so balance fails before the chest does and the rep turns into a fight to stay on the ball.
- Bending the wrist backward under the load instead of keeping it stacked over the forearm, straining the wrist.
Häufig gestellte Fragen
What muscles does the dumbbell one arm press on a stability ball work?
It primarily works the chest (pectoralis major, both the upper clavicular and lower sternal heads), with the front deltoids and triceps assisting the press. Your hamstrings and core also work hard to hold the bridge and resist rotation.
Why use a stability ball instead of a bench?
The ball removes the solid backrest, so your glutes, hamstrings, and core must brace to keep your torso level. Combined with the single-arm load, it adds an anti-rotation challenge that a flat bench doesn't provide.
Why press one arm at a time?
Pressing one side at a time loads each pec independently, exposes strength imbalances between sides, and forces your core to fight the rotation the offset weight creates.
Is this exercise good for beginners?
It's better suited to lifters who already have a stable dumbbell press, since balancing on the ball adds difficulty. Beginners should master the dumbbell bench press first, then start light here to build the stability.
How many sets and reps should I do?
Three to four sets of 8–12 reps per arm is a solid range. Because balance is part of the challenge, favor controlled reps with a manageable weight over chasing heavier loads.
