Etiology and Pathogenesis Torticollis is usually caused by an awkward sleeping position,or invasion of wind cold into the local meridians and collaterals,leading to poor circulation of qi and blood,poor nourishment of tendons and tendon spasms. Etiology and Pathogenesis ⚫ Torticollis is usually caused by an awkward sleeping position,or invasion of wind cold into the local meridians and collaterals, leading to poor circulation of qi and blood,poor nourishment of tendons and tendon spasms