Dumbbell One Arm Concetration Curl (On Stability Ball)

BicepsDumbbellIntermediate
1. Sit on a stability ball, holding a dumbbell in one hand. 2. Place your feet shoulder-width apart and firmly on the ground. 3. Position the dumbbell arm by your side, fully extended and palm facing forward. 4. Slowly curl the dumbbell towards your shoulder, while keeping your upper arm stationary. 5. Pause for a second at the top of the movement, then slowly lower the dumbbell back to the starting position. 6. Repeat the exercise for the recommended number of repetitions. 7. Switch arms and repeat the exercise on the other side.

How to perform the Dumbbell One Arm Concetration Curl (On Stability Ball)

  1. Set up. Set up in a stable, balanced starting position appropriate for the Dumbbell One Arm Concetration Curl (On Stability Ball) 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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