TETSU

Barbell Curl vs Biceps Narrow Pull-Ups

The Barbell Curl and the Biceps Narrow Pull-Ups both train the biceps as their primary muscle. The Barbell Curl uses a barbell while the Biceps Narrow Pull-Ups are bodyweight-based (a bar, rings or a station). Here is how they compare and when to pick each.

Head to head

Side-by-side comparison

Barbell CurlBiceps Narrow Pull-Ups
Primary musclebicepsbiceps
Body partupper armsupper arms
Supporting musclesforearmsforearms and shoulders
Equipmentbarbellbodyweight
Steps in our guide64
Setup

How each one starts

Barbell Curl — first steps

  1. Stand up straight with your feet shoulder-width apart and hold a barbell with an underhand grip, palms facing forward.
  2. Keep your elbows close to your torso and exhale as you curl the weights while contracting your biceps.

Biceps Narrow Pull-Ups — first steps

  1. Hang from a pull-up bar with your palms facing towards you and your hands shoulder-width apart.
  2. Engage your core and pull yourself up towards the bar, focusing on using your biceps to lift your body.

Full step-by-step guides are linked below.

Decision

Which should you choose?

The Barbell Curl lets you load the heaviest weights and progress in small, steady jumps. The Biceps Narrow Pull-Ups need only a sturdy bar, rings or a station and scale through leverage, tempo and reps. If your gym has both options, neither is a wrong choice: pick the one that feels strongest through a full range, and swap after 6 to 8 weeks to keep the biceps adapting.

Guides

Full form guides

Answers

Common questions

Is the Barbell Curl better than the Biceps Narrow Pull-Ups?

Neither is universally better — both train the biceps as the primary mover. The Barbell Curl lets you load the heaviest weights and progress in small, steady jumps, while the Biceps Narrow Pull-Ups need only a sturdy bar, rings or a station and scale through leverage, tempo and reps. Choose based on your equipment and which movement you can progress consistently.

Can I do both the Barbell Curl and the Biceps Narrow Pull-Ups in the same program?

Yes, but usually not in the same session — they overlap heavily on the biceps. A common setup is one as your main movement and the other on a second training day, or alternating them block by block.

Do the Barbell Curl and the Biceps Narrow Pull-Ups work the same muscles?

The primary muscle is the same: the biceps. Supporting muscles differ slightly — forearms for the Barbell Curl versus forearms and shoulders for the Biceps Narrow Pull-Ups.

Track it in Tetsu

Tetsu tracks both movements separately, keeps your PRs per exercise, and tells you which one is actually progressing. Free to start.