Semispinalis Thoracis – Functional Anatomy

Semispinalis Thoracis Semispinalis Thoracis connects T7-T10 to C6-T4 trapping T5-T6 in the middle. Origin Рtransverse processes of T6-T10 Insertion РSpinous processes of T1-T4 Function РExtension and some rotation of the thoracic vertebrae. Wikipedia Entry for Semispinalis muscles