Primary
Shoulders
Secondary
Triceps, Core
Equipment
Dumbbell
Difficulty
Intermediate
Type
Push
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The single-arm dumbbell press trains each shoulder independently while demanding intense core anti-lateral flexion. Pressing one dumbbell overhead while the other side has nothing forces your obliques and deep core muscles to work overtime preventing you from leaning.
When to use it
Use to address imbalances or challenge core.
Who it's for
Intermediate lifters looking to progress their training.
Don't lean—this is the whole point of going unilateral. Keep your torso perfectly vertical throughout. If you find yourself tilting, the weight is too heavy. The core challenge should feel as demanding as the shoulder work.
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We slot it into the right day with sets, reps, and progression you can follow.
Stand or sit with a dumbbell at shoulder height.
Press the dumbbell overhead with one arm.
Keep your core tight to prevent leaning.
Lower with control for optimal results.
Complete all reps before switching arms.
Requires core stability.
Great for addressing imbalances.
Don't lean to the side.
Control the weight throughout.
Use single-arm pressing to address strength imbalances between shoulders, or when you want pressing that builds core strength simultaneously. They work well after bilateral pressing when you want to continue shoulder work while challenging your core differently.
Leaning to the side.
During any pressing movement like the Single-Arm Dumbbell Press, this mistake reduces how effectively your Front shoulders can produce force. Focus on the muscle you're trying to work — if you can't feel your Front shoulders driving the movement, something is off.
Not engaging core which reduces stability and power transfer.
Without core engagement during the Single-Arm Dumbbell Press, your spine loses its protective brace. Think about tightening your midsection as if someone were about to push you — maintain that tension through every rep.
Using too much weight.
Loading more weight than you can control on the Single-Arm Dumbbell Press forces compensatory movement patterns that bypass your Front shoulders. Drop the weight until you can perform every rep with clean form — your results will actually improve.
Intermediate lifters looking to progress their training.
Lower reps with heavier weight builds raw strength. Your muscles and nervous system adapt to handle more load over time. This range is best for strength-focused goals.
This rep range keeps your muscles under tension long enough to trigger growth. Most people see the best muscle-building results in this zone. It balances strength and muscle size.
Higher reps with lighter weight builds muscular endurance and improves conditioning. This range is good for joint health and building work capacity.
General guideline: 3 sets of 8-10 reps per arm. Rest 60s.
MySetPlan places Single-Arm Dumbbell Press inside a complete workout — with the right sets, reps, rest periods, and a progression you can follow week to week.
Sample workout
MySetPlan guides you set by set, times your rest, lets you swap if equipment is busy, and tells you what to do next.
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Single-Arm Dumbbell Press
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Frequently Asked Questions About the Single-Arm Dumbbell Press
The Single-Arm Dumbbell Press primarily targets the Front shoulders, Side shoulders, making it an effective exercise for shoulders development. Secondary muscles worked during the Single-Arm Dumbbell Press include Triceps, Core, providing additional training stimulus. Stabilizer muscles engaged include Obliques.
The Single-Arm Dumbbell Press is rated as intermediate difficulty, meaning it requires some training experience. Intermediate lifters looking to progress their training. Focus on proper technique and consider starting with easier variations.
For the Single-Arm Dumbbell Press, the recommended approach depends on your goals. 3 sets of 8-10 reps per arm. Rest 60s. For strength, use 5-8 reps per arm. For muscle growth, perform 8-12 reps per arm. For endurance, complete 12-15 reps per arm.
Yes, the Single-Arm Dumbbell Press can be done at home with a dumbbell. It requires minimal space and is a great option for home workouts targeting shoulders.
Good alternatives to the Single-Arm Dumbbell Press include: Dumbbell Shoulder Press, Arnold Press. These exercises target similar muscle groups as the Single-Arm Dumbbell Press and can be used as substitutes based on your equipment availability, gym setup, or training preferences.