Rhomboideus muscle extends from ninth to tenth dorsal vertebra to about the level of the middle of the funicular part of the ligamentum nuchae. It is under the cover of trapezius and consists of cervical (rhomboideus cervicis) and dorsal (rhomboideus thoracis) parts
Origin: Ligamentum nuchae, and the spines of dorsal vertebrae from the first to about seventh or eighth
Insertion: The medial surface of the cartilage of the scapula
Action: To draw the shoulder upwards and forwards
Blood supply: Superior cervical and dorsal arteries
