Single-Arm Dumbbell Preacher Curl: how to do it and form tips

A unilateral preacher curl with a dumbbell to fix imbalances and force a strict, isolated range of motion on each arm.

Form tips

Plant your working arm flat on the preacher pad up to the armpit.
Lower the dumbbell fully, don't bounce out of the stretched position.
Use your free hand only to spot, never to assist the rep.

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