What muscles support the spine?

Muscles of the Lumbar Spine of the Trunk

Getting to Know The Muscles of the Neck

Muscles That Support The Spine – Weak Back Builder

Superficial Back and Core: Anatomy, Function, Treatment

Muscles of the Vertebral Column: Support & Movement - Lesson

Everything You Need to Know About Back Muscles Anatomy

Lower Muscles of Back Anatomy and Low Back Pain

Erector Spinae Group — Tami Apland, LMT

Your Diaphragm is a Back Muscle!