Single-Arm Dumbbell Press
Muscles worked
Instructions
- 1Grab a dumbbell and either sit on a military press bench or a utility bench that has a back support on it as you place the dumbbells upright on top of your thighs or stand up straight.
- 2Clean the dumbbell up to bring it to shoulder height. The other hand can be kept fully extended to the side, by the waist or grabbing a fixed surface.
- 3Rotate the wrist so that the palm of your hand is facing forward. This is your starting position.
- 4As you exhale, push the dumbbell up until your arm is fully extended.
- 5After a second pause, slowly come down back to the starting position as you inhale.
- 6Repeat for the recommended amount of repetitions and then switch arms.
table_chartRecommended sets and reps
These ranges vary depending on your training goal — adjust the load accordingly.
| Goal | Sets | Reps | Rest |
|---|---|---|---|
| boltStrength | 4–5 | 3–6 | 3–5 min |
| fitness_centerHypertrophy | 3–4 | 8–12 | 90 s |
| timerEndurance | 2–3 | 15–20 | 30–45 s |
About Single-Arm Dumbbell Press
The single-arm dumbbell press isolates one deltoid at a time while demanding intense abdominal bracing to stabilize the torso, since the asymmetric load naturally tends to pull you sideways. It's an excellent exercise for building functional strength and core stability in addition to pure shoulder strength, particularly useful for correcting imbalances between sides.
check_circleBenefits
- check_circleStrongly engages the core in addition to the shoulder
- check_circleCorrects strength imbalances between sides
- check_circleBuilds transferable functional strength
lightbulbExecution tips
- lightbulbBrace the abs hard before pressing
- lightbulbAvoid leaning the torso toward the opposite side
- lightbulbAlways work the weaker side first
warningCommon mistakes
- warningTorso leaning to the side to compensate
- warningExcessive lower-back arch
- warningToo much load that compromises stability
helpFrequently asked questions
Why do a unilateral shoulder press?expand_more
It reveals and corrects strength imbalances often hidden by two-arm movements.
Standing or seated, which position should I choose?expand_more
Standing increases the core demand; seated allows slightly heavier loading with more isolation of the shoulder.
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