Dumbbell One Arm Hammer Preacher Curl

Hold a dumbbell in one hand. Sit on a preacher curl bench with your elbow resting on the bench pad. Curl the dumbbell upward while maintaining a hammer grip. Lower the dumbbell back down to the starting position. Repeat with the other arm if desired.

How to perform the Dumbbell One Arm Hammer Preacher Curl

  1. Set up. Set up in a stable, balanced starting position appropriate for the Dumbbell One Arm Hammer Preacher Curl using your dumbbell.
  2. Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your biceps.
  3. Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.

Coaching cues

  • Move with intent — every rep should feel deliberate, not rushed.
  • Drive force through your biceps rather than momentum.
  • Keep your breathing steady: exhale on the hard part, inhale on the reset.

Common mistakes

  • Using too much weight and losing positional control.
  • Cutting the range of motion short and missing the target muscle.
  • Letting your spine round or hyperextend instead of staying neutral.

Detailed cues, common mistakes, and demonstration video are available in the Fitly app.

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