TETSUBarbell Skier vs Kettlebell One Arm Jerk
The Barbell Skier and the Kettlebell One Arm Jerk both train the delts as their primary muscle. The Barbell Skier uses a barbell while the Kettlebell One Arm Jerk uses a kettlebell. Here is how they compare and when to pick each.
Side-by-side comparison
| Barbell Skier | Kettlebell One Arm Jerk | |
|---|---|---|
| Primary muscle | delts | delts |
| Body part | shoulders | shoulders |
| Supporting muscles | triceps and core | triceps and core |
| Equipment | barbell | kettlebell |
| Steps in our guide | 5 | 8 |
How each one starts
Barbell Skier — first steps
- Stand with your feet shoulder-width apart and hold a barbell in front of your thighs with an overhand grip.
- Bend your knees slightly and hinge forward at the hips, keeping your back straight and chest up.
Kettlebell One Arm Jerk — first steps
- Stand with your feet shoulder-width apart, holding a kettlebell in one hand at shoulder height.
- Bend your knees slightly and engage your core.
Full step-by-step guides are linked below.
Which should you choose?
The Barbell Skier lets you load the heaviest weights and progress in small, steady jumps. The Kettlebell One Arm Jerk shifts the load off-center, adding grip and stabilizer demand. 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 delts adapting.
Full form guides
Common questions
Is the Barbell Skier better than the Kettlebell One Arm Jerk?
Neither is universally better — both train the delts as the primary mover. The Barbell Skier lets you load the heaviest weights and progress in small, steady jumps, while the Kettlebell One Arm Jerk shifts the load off-center, adding grip and stabilizer demand. Choose based on your equipment and which movement you can progress consistently.
Can I do both the Barbell Skier and the Kettlebell One Arm Jerk in the same program?
Yes, but usually not in the same session — they overlap heavily on the delts. 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 Skier and the Kettlebell One Arm Jerk work the same muscles?
Yes — the primary muscle is the same (delts) and both rely on the same supporting muscles: triceps and core.
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.