Single-Arm Dumbbell Press

Which muscles does it train?

Equipment needed

How to perform it

For strength, 3 to 5 sets of 3 to 6 reps with 2 to 3 minutes of rest are common. For hypertrophy, use 3 to 4 sets of 8 to 12 reps with 60 to 120 seconds of rest.

Execution and technique cues

• Stand with feet shoulder-width apart, clean the dumbbell to shoulder height, and brace your core.
• Keep your elbow slightly tucked, forearm vertical, and align the wrist over the elbow.
• Press the dumbbell straight overhead until your arm is locked out and the weight is aligned over your shoulder.
• Lower the dumbbell under control back to your shoulder, keeping the rest of your body rigid.

Common mistakes

• Arching the lower back excessively to press the weight, which places high stress on the lumbar spine.
• Allowing the wrist to bend backward, which compromises wrist stability and force transfer.
• Failing to lock out the elbow at the top, which reduces the active range of motion of the shoulders.

Frequently asked questions

Is it better to perform this exercise standing or seated?

Standing increases the demand on core stability and balance, while seated allows you to focus purely on shoulder strength.

Why is the single-arm press beneficial compared to a double-arm press?

It allows for a more natural shoulder path, improves core anti-lateral flexion strength, and corrects imbalances.

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