Reverse Barbell Curl

The Reverse Barbell Curl isolates the Biceps through a controlled range of motion. This beginner-level barbell exercise builds focused strength where compound movements often fall short.

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Reverse Barbell Curl - starting position

Starting position

Reverse Barbell Curl - ending position

Ending position

Muscles Worked

Primary Biceps
Secondary Forearms

The biceps handles the primary load during this movement. The forearms assist as stabilizers throughout the range of motion.

How to Reverse Barbell Curl

  1. 1

    Stand up with your torso upright while holding a barbell at shoulder width with the elbows close to the torso. The palm of your hands should be facing down (pronated grip). This will be your starting position.

  2. 2

    While holding the upper arms stationary, curl the weights while contracting the biceps as you breathe out. Only the forearms should move. Continue the movement until your biceps are fully contracted and the bar is at shoulder level. Hold the contracted position for a second as you squeeze the muscle.

  3. 3

    Slowly begin to bring the bar back to starting position as your breathe in.

  4. 4

    Repeat for the recommended amount of repetitions.

Common Mistakes

  • Focus on the mind-muscle connection — feel the target muscle working through each rep.
  • Use a controlled tempo of 2 seconds up, 2 seconds down to eliminate momentum.
  • Grip the bar evenly on both sides — even a small offset shifts the load asymmetrically.
  • Keep the bar path as vertical as possible over your base of support.
  • Squeeze at peak contraction for a full second — this is where most of the growth stimulus occurs.

Similar Exercises

Frequently Asked Questions

What muscles does the Reverse Barbell Curl work?

The Reverse Barbell Curl primarily works the Biceps. Secondary muscles include the Forearms, which assist during the movement.

Is the Reverse Barbell Curl good for beginners?

Yes, the Reverse Barbell Curl is suitable for beginners. Start with light weight to master the 4-step form before adding load.

What equipment do I need for the Reverse Barbell Curl?

You need barbell to perform the Reverse Barbell Curl. Most commercial gyms will have this available.

Track Your Progress

RepStack logs every set, calculates your e1RM, and coaches progressive overload — automatically.