Dumbbell Shoulder Internal Rotation at 90 Abduction

Stand with your arm raised to 90 degrees in front of you, holding a dumbbell. Keep your elbow bent at 90 degrees.

  1. Rotate your forearm downwards, bringing the dumbbell towards your abdomen.
  2. Pause briefly at the bottom of the movement.
  3. Return to the starting position by rotating your forearm back to the initial 90-degree angle.

How to perform the Dumbbell Shoulder Internal Rotation at 90 Abduction

  1. Set up. Set up in a stable, balanced starting position appropriate for the Dumbbell Shoulder Internal Rotation at 90 Abduction 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 latissimus dorsi.
  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 latissimus dorsi 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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