Internal & external obliques

Schematic anatomy
Internal & external obliques

Core

Rectus abdominisInternal & external obliquesTransversus abdominis

Deep trunk

MultifidusQuadratus lumborumDiaphragmPelvic floor
Movement guide

Internal & external obliques

Control trunk rotation and side bending, and help resist those motions under load.

01

Pallof press

Anti-rotation · Cable

Also works

Transversus abdominis, 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

02

Side plank

Isometric · Bodyweight

Also works

Quadratus lumborum, gluteus medius; shoulder stabilizers

How to perform

Support yourself on one forearm and the side of your foot. Lift your hips to form a straight line. Use bent knees to reduce difficulty.

Stack the shoulder above the elbow and breathe steadily.

Example volume · 3 sets × 20–40 sec / side

Referencesopenstax.org

Community draft · awaiting expert review