Sternocleidomastoid is supplied by all of the'following aeries except?

Posterior auricular According to the aicle-"The Blood Supply of the Sternocleidomastoid Muscle and Its Clinical Implications" Antonius Kierner, MD; Main Aigner, MD; Inngard Zelenka, MD; Gunther Riedl; Main Burian, MD Upper third - supplied by branches of the occipital aeryMiddle third - supplied by branch of the superior thyroid aery (42%), the external carotid aery (23%),or branches of both (27%)Lower third - supplied by a branch arising from the suprascapular aery According to Gray's Anatomy 40/e p441 upper third is supplied by both the occipital aery and posterior auricular aery; middle third by superior thryroid aery and the lower third by the suprascapular aery.