Quick answer: a tuck and a layout are both backward flips. In a tuck, the athlete pulls the knees into the chest, so the flip rotates quickly in a tight ball. In a layout, the body stays straight from head to toe, which rotates more slowly and needs much more power. Under USASF rules, running tucks are first allowed at Level 3 and layouts at Level 4.

TuckLayout
Body shapeKnees drawn into the chest, bent at the hipsStraight, stretched, hollow body
RotationFast - a tight shape spins quicklySlower - needs more height and power
DifficultyThe first flip most athletes learnA step up from the tuck
First allowed (USASF)Level 3 running, Level 4 standingLevel 4
Leads toLayoutFull (a layout with a full twist)

The Core Difference

Both skills complete one backward flip (a salto) after taking off from the floor. The difference is the shape in the air. The USASF glossary describes the tuck position as "bent at the waist/hips with the knees drawn into the torso", and the layout as a rotation "in a stretched, hollow body position." In a layout, the body is straight but slightly rounded through the front - not arched backwards.

Why Layouts Are Harder

A compact shape spins faster than a long one - the same reason a figure skater spins faster with the arms pulled in. So a tuck rotates quickly even without much height. A layout keeps the body long, which slows the rotation, so the athlete needs more height and power to get all the way round. That's why tucks come first and layouts follow once the tuck is consistent.

The Level Rules

Under the USASF All Star rules:

  • Level 3 allows a back tuck at the end of a running pass, such as roundoff back handspring tuck - but no standing flips.
  • Level 4 allows any single non-twisting flip, so layouts (running and standing) and standing tucks.
  • Level 5 adds twisting in running tumbling, so a layout can become a full.

How They're Used Differently

Both are usually the last skill in a running pass ("roundoff, back handspring, layout"). The tuck also appears in standing tumbling from Level 4, often from a standing back handspring. The layout is mostly a stepping stone: once athletes have a consistent layout, it becomes the shape they twist from.

What Judges Notice

In a tuck, judges look for a tight, high tuck and a controlled landing. In a layout, they look for a truly straight body from take-off to landing - a layout that bends at the hips or knees partway round looks closer to a "pike" or a loose tuck and loses execution credit.

Related Skills

See Full for the twisting skill built on a consistent layout, and Whip for another non-twisting flip allowed from Level 4.