Bottle Weighted Concentration Curl

Stand with your feet shoulder-width apart, holding a bottle in one hand. Keep your elbow close to your body.

  1. Engage your core and maintain a straight posture.
  2. Slowly curl the bottle towards your shoulder, squeezing your bicep at the top.
  3. Lower the bottle back to the starting position with control.
  4. Repeat for the desired number of repetitions, then switch arms.

How to perform the Bottle Weighted Concentration Curl

  1. Set up. Set up in a stable, balanced starting position appropriate for the Bottle Weighted Concentration Curl using your free weights.
  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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Variations of Bottle Weighted Concentration Curl

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