TETSU

Band V-Up vs Negative Crunch

The Band V-Up and the Negative Crunch both train the abs as their primary muscle. The Band V-Up uses a band while the Negative Crunch is bodyweight-only. Here is how they compare and when to pick each.

Head to head

Side-by-side comparison

Band V-UpNegative Crunch
Primary muscleabsabs
Body partwaistwaist
Supporting muscleship flexorship flexors
Equipmentbandbodyweight
Steps in our guide45
Setup

How each one starts

Band V-Up — first steps

  1. Lie flat on your back with your legs straight and your arms extended overhead, holding the band.
  2. Engaging your abs, lift your legs and upper body off the ground simultaneously, reaching your hands towards your toes.

Negative Crunch — first steps

  1. Lie flat on your back with your knees bent and feet flat on the ground.
  2. Place your hands behind your head with your elbows pointing outwards.

Full step-by-step guides are linked below.

Decision

Which should you choose?

The Band V-Up gives accommodating resistance that peaks at the top of the range. The Negative Crunch 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 abs adapting.

Guides

Full form guides

Answers

Common questions

Is the Band V-Up better than the Negative Crunch?

Neither is universally better — both train the abs as the primary mover. The Band V-Up gives accommodating resistance that peaks at the top of the range, while the Negative Crunch 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 Band V-Up and the Negative Crunch 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 Band V-Up and the Negative Crunch work the same muscles?

Yes — the primary muscle is the same (abs) and both rely on the same supporting muscles: hip flexors.

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.