Transversus abdominis

Schematic anatomy
Deep layerTransversus abdominis

Core

Rectus abdominisInternal & external obliquesTransversus abdominis

Deep trunk

MultifidusQuadratus lumborumDiaphragmPelvic floor
Movement guide

Transversus abdominis

A deep layer that contributes to abdominal pressure and trunk stability.

The deep abdominal wall works as part of a coordinated brace.

01

Dead bug

Control · Bodyweight

Also works

Rectus abdominis, obliques; hip flexors control the legs

How to perform

Lie on your back with hips and knees bent. Slowly extend the opposite arm and leg, then return and alternate.

Keep your ribs down and lower back position steady.

Example volume · 3 sets × 6–10 / side

02

Pallof press

Anti-rotation · Cable

Also works

Obliques, rectus abdominis; glutes stabilize

How to perform

Stand side-on to a cable with the handle at your chest. Press forward, pause, and return without turning.

Keep your hips and shoulders facing forward.

Example volume · 3 sets × 8–12 / side

Referencesopenstax.org

Community draft · awaiting expert review