Stability Ball Single Arm Dumbbell Bench Press
In SetGrip: Dumbbell Bench Press (Stability Ball, Single Arm)
A single dumbbell pressed from a full bridge on the ball loads one side of a platform that is already trying to roll, keeping glutes, abs, and the empty-handed side busy all set long. Pec stimulus drops versus a flat bench while trunk demand climbs, which makes it a control-focused accessory rather than a heavy press.
How to do the Stability Ball Single Arm Dumbbell Bench Press
- Sit on an exercise ball with your feet flat on the ground and your knees bent at a 90-degree angle.
- Hold a dumbbell in one hand and position it at shoulder height, with your elbow bent and palm facing forward.
- Slowly press the dumbbell upward until your arm is fully extended, while keeping your core engaged and maintaining balance on the exercise ball.
- Pause for a moment at the top, then slowly lower the dumbbell back to the starting position.
- Repeat for the desired number of repetitions, then switch to the other arm.
Tip: Squeeze the bar hard and keep the wrists straight over the elbows through the whole rep.
Muscles worked
Primary
Pectorals · Chest
The chest presses the arms together and forward, and decline and wide grip variations put more emphasis on the lower and outer pecs.
Secondary
- Delts — The front delts assist every press and take over on Bradford and behind the neck variations.
- Triceps — The triceps lock out the elbow on every press and dominate close grip and skull press variations.
- Abs — The abs brace the trunk on standing and single arm presses so the torso does not twist under the load.
Common mistakes
- Elbows flaring wide — on horizontal presses keep the elbows at roughly 45 degrees from the torso; pressing overhead, keep them under the weight instead.
- Losing the shoulder blade position — on bench-style presses set the shoulder blades back and down and keep them there; overhead, let the shoulder blades rotate up naturally with the arms.
- Bouncing or rushing the bottom — control the bar down and pause for a beat before driving up, especially on decline and close grip variations.
- Not committing to a variation — Bradford presses, skull presses and the like are hybrids; pick a fixed range and stick with it for the whole set.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Strength | 4–5 × 3–6 per side | 2–3 min |
| Muscle growth | 3–4 × 6–12 per side | 90–120 s |
| Endurance | 2–3 × 12–20 per side | 60 s |
Presses are the main movement in a push session and should go first or second. Superset them with a row or pulldown for a push and pull pair using the same bench or station.
Variations and alternatives
Similar exercises
Without dumbbell
Frequently asked questions
What muscles does the Stability Ball Single Arm Dumbbell Bench Press work?
The Stability Ball Single Arm Dumbbell Bench Press primarily works the pectorals. It also involves the delts, triceps and abs, which assist the movement and stabilise the joints.
Is the Stability Ball Single Arm Dumbbell Bench Press good for beginners?
It is rated intermediate, so it suits people who already train regularly. Beginners can still do the Stability Ball Single Arm Dumbbell Bench Press with light load and a spotter or coach watching the first few sessions; if it feels awkward, pick an easier variation from the alternatives below first.
What can I do instead of the Stability Ball Single Arm Dumbbell Bench Press?
If you cannot do the Stability Ball Single Arm Dumbbell Bench Press, try the Stability Ball Single Arm Cable Bench Press, the Stability Ball Cable Bench Press or the Incline Stability Ball Single Arm Dumbbell Bench Press. Each of them trains the pectorals through a similar movement, so you can swap them in without changing the rest of the workout.
How many sets and reps should I do?
It depends on your goal. For the Stability Ball Single Arm Dumbbell Bench Press, a sensible starting point is strength: 4–5 × 3–6 per side with 2–3 min rest; muscle growth: 3–4 × 6–12 per side with 90–120 s rest; endurance: 2–3 × 12–20 per side with 60 s rest. Put it early in the session while you are fresh, before isolation work for the same muscles.
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