Serratus: Trio of Support There are 3 different Serratus muscles: Serratus Anterior (“Anterior” means front), Serratus Posterior Superior (“Posterior” means back, “Superior” means high, above), and Serratus Posterior Inferior (“Inferior” means lower, below). Cultivating images of these muscles in your “mind’s eye”, and a “body-felt awareness” of them may take practice. Even thinking about them/holding images of them can help the muscles begin to fire, and this can help