HIIT BUILDER

Feedback

Full tuck-ups

On your back / Core / High effort / No jumping

Side
Angled
Add to a workout Open the builder

How to do it

  1. Set upLie back with your arms overhead and your legs long, both lifted just off the floor.
  2. MoveSit up and pull your knees in together so you meet in a tuck balanced on your seat, then lower both halves back out.
  3. Watch forCrashing back down. Lower slowly with your back flat.

Easier or harder

Easier
Starfish crunches: same tuck, lower load.
Harder
Hollow body + knee hugs: never rest on the floor.

What it works

Muscles
Core
Position
On your back
Intensity
High effort Hard
Impact
No jumping

Swap it for