TETSUBarbell Lying Extension vs Bodyweight Kneeling Triceps Extension
The Barbell Lying Extension and the Bodyweight Kneeling Triceps Extension both train the triceps as their primary muscle. The Barbell Lying Extension uses a barbell while the Bodyweight Kneeling Triceps Extension is bodyweight-only. Here is how they compare and when to pick each.
Side-by-side comparison
| Barbell Lying Extension | Bodyweight Kneeling Triceps Extension | |
|---|---|---|
| Primary muscle | triceps | triceps |
| Body part | upper arms | upper arms |
| Supporting muscles | shoulders | shoulders and chest |
| Equipment | barbell | bodyweight |
| Steps in our guide | 5 | 6 |
How each one starts
Barbell Lying Extension — first steps
- Lie flat on a bench with your feet flat on the ground and your head at the end of the bench.
- Hold the barbell with an overhand grip, hands shoulder-width apart, and extend your arms straight up over your chest.
Bodyweight Kneeling Triceps Extension — first steps
- Kneel down on the ground with your knees hip-width apart.
- Place your hands on the ground in front of you, shoulder-width apart, fingers pointing forward.
Full step-by-step guides are linked below.
Which should you choose?
The Barbell Lying Extension lets you load the heaviest weights and progress in small, steady jumps. The Bodyweight Kneeling Triceps Extension needs no equipment and scales 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 triceps adapting.
Full form guides
Common questions
Is the Barbell Lying Extension better than the Bodyweight Kneeling Triceps Extension?
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 Bodyweight Kneeling Triceps Extension needs no equipment and scales through leverage, tempo and reps. Choose based on your equipment and which movement you can progress consistently.
Can I do both the Barbell Lying Extension and the Bodyweight Kneeling Triceps Extension 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 Bodyweight Kneeling Triceps Extension work the same muscles?
The primary muscle is the same: the triceps. Supporting muscles differ slightly — shoulders for the Barbell Lying Extension versus shoulders and chest for the Bodyweight Kneeling Triceps Extension.
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.