TETSU

Barbell Lying Extension vs Cable Kickback

The Barbell Lying Extension and the Cable Kickback both train the triceps as their primary muscle. The Barbell Lying Extension uses a barbell while the Cable Kickback uses a cable. Here is how they compare and when to pick each.

Head to head

Side-by-side comparison

Barbell Lying ExtensionCable Kickback
Primary muscletricepstriceps
Body partupper armsupper arms
Supporting musclesshouldersshoulders
Equipmentbarbellcable
Steps in our guide57
Setup

How each one starts

Barbell Lying Extension — first steps

  1. Lie flat on a bench with your feet flat on the ground and your head at the end of the bench.
  2. Hold the barbell with an overhand grip, hands shoulder-width apart, and extend your arms straight up over your chest.

Cable Kickback — first steps

  1. Stand facing a cable machine with your feet shoulder-width apart.
  2. Hold the cable handle with your right hand and step back to create tension in the cable.

Full step-by-step guides are linked below.

Decision

Which should you choose?

The Barbell Lying Extension lets you load the heaviest weights and progress in small, steady jumps. The Cable Kickback keeps constant tension on the muscle through the whole range of motion. 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 triceps adapting.

Guides

Full form guides

Answers

Common questions

Is the Barbell Lying Extension better than the Cable Kickback?

Neither is universally better — both train the triceps as the primary mover. The Barbell Lying Extension lets you load the heaviest weights and progress in small, steady jumps, while the Cable Kickback keeps constant tension on the muscle through the whole range of motion. Choose based on your equipment and which movement you can progress consistently.

Can I do both the Barbell Lying Extension and the Cable Kickback in the same program?

Yes, but usually not in the same session — they overlap heavily on the triceps. 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 Lying Extension and the Cable Kickback work the same muscles?

Yes — the primary muscle is the same (triceps) and both rely on the same supporting muscles: shoulders.

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.