(East African Scholars Publisher, 2019) Mchonde, Gabriel J.
Supernumerally anatomical structures is of clinical and surgical importance and requires a greater knowledge on their existence. The present article reports the anatomic variation on the number and position of axiomuscles in the cervicothoracic region observed during routine dissection of a 72-years-old embalmed male cadaver on the left shoulder region. According to the origin, insertion and innervation topographies of the extra muscle, it was considered as musculus cervicis accessorius. The existence of this muscle is of importance to surgeons, anatomists and physiotherapist during their normal routine procedures or during evaluation of CT and MRI scans by the radiologists.