Assisted Close-grip Underhand Chin-up

Perform an assisted close-grip underhand chin-up to strengthen your upper body, focusing on the biceps and back muscles.

  1. Attach an assistance band or use an assisted chin-up machine.
  2. Grip the bar with your palms facing you and hands closer than shoulder-width apart.
  3. Engage your core and pull your body upward until your chin is above the bar.
  4. Lower yourself back down with control to complete one repetition.

How to perform the Assisted Close-grip Underhand Chin-up

  1. Set up. Set up in a stable, balanced starting position appropriate for the Assisted Close-grip Underhand Chin-up using your leverage machine.
  2. Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your triceps.
  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 triceps 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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