Deep back muscles: Anatomy, innervation and functions

Overview of the intrinsic muscles of the back.

Extensor muscle, Back, Leg, & Arm Muscles

Back Muscles: Anatomy & Groups

Muscles of the hand - Wikipedia

Back Muscles: Anatomy, Function, Treatment

Anatomy of the back: Spine and back muscles

Sciatic Nerve Anatomy

Intermediate and Deep Muscles of the Back - Anatomy Tutorial

Superficial Back Muscles, Anatomy

Back Muscles: Anatomy, Function, Treatment

SEER Training: Muscles of the Trunk

Upper Back (Human Anatomy): Picture, Functions, Diseases, and Treatments

Back Muscles: Attachments, Nerve Supply & Action - Anatomy Info

Lumbar Spine Anatomy: Overview, Gross Anatomy, Natural Variants

Muscles of the back: Video, Anatomy & Definition