In Ca, the serratus ventralis cervicis and the serratus ventralis thoracis are continuous together, and described here together:
Origin: Facies serrata of the scapula.
Insertion: Transverse processes of the last five cervical vertebrae and on the first seven or eight ribs.
Action: Support of the trunk, to carry the trunk forward and backward; inspiration; to carry the shoulder forward and backward with respect to the limb.
Nerve: Cervicales and thoracicales nerves.