TETSUBottoms-Up vs Wheel Rollout
The Bottoms-Up and the Wheel Rollout both train the abs as their primary muscle. The Bottoms-Up is bodyweight-only while the Wheel Rollout uses an ab wheel. Here is how they compare and when to pick each.
Side-by-side comparison
| Bottoms-Up | Wheel Rollout | |
|---|---|---|
| Primary muscle | abs | abs |
| Body part | waist | waist |
| Supporting muscles | obliques and hip flexors | lower back |
| Equipment | bodyweight | ab wheel |
| Steps in our guide | 5 | 6 |
How each one starts
Bottoms-Up — first steps
- Lie flat on your back with your legs extended and your arms by your sides.
- Bend your knees and bring them towards your chest, keeping your feet off the ground.
Wheel Rollout — first steps
- Kneel on the floor and place the wheel roller in front of you.
- Place your hands on the handles of the wheel roller and extend your arms straight out in front of you.
Full step-by-step guides are linked below.
Which should you choose?
The Bottoms-Up needs no equipment and scales through leverage, tempo and reps. The Wheel Rollout loads the core through a long, controlled range. 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 abs adapting.
Full form guides
Common questions
Is the Bottoms-Up better than the Wheel Rollout?
Neither is universally better — both train the abs as the primary mover. The Bottoms-Up needs no equipment and scales through leverage, tempo and reps, while the Wheel Rollout loads the core through a long, controlled range. Choose based on your equipment and which movement you can progress consistently.
Can I do both the Bottoms-Up and the Wheel Rollout in the same program?
Yes, but usually not in the same session — they overlap heavily on the abs. 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 Bottoms-Up and the Wheel Rollout work the same muscles?
The primary muscle is the same: the abs. Supporting muscles differ slightly — obliques and hip flexors for the Bottoms-Up versus lower back for the Wheel Rollout.
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.