Muscle Palpation - Spinalis Thoracis [Erector Spinae Group]

This is a detailed, step by step, description on how to palpate Spinalis Thoracis muscle by Keith Bootsma, RMT.
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Origin:
Thoracis: Spinous Processes of T11 - L2
Insertion:
Thoracis: Spinous Processes of T4 - T8
Functions:
1- Extension of the Trunk & Neck @ the Spinal Joints
2- Lateral Flexion of the Trunk & Neck @ the Spinal Joints
Nerve:
Dorsal (Posterior) Rami of the Spinal Nerves at the Corresponding Levels