Introduction:The cervical vertebra has a characteristic feature that is presence of foramen in transverse process. Out of seven cervical vertebrae third, fourth, fifth and sixth typical cervical vertebrae and first, second and seventh atypical cervical vertebrae. In all except the seventh cervical vertebra, the foramen transversarium normally transmits the vertebral artery and vein and a branch from the cervicothoracic ganglion. Variation in foramina transversarium had been observed by various researchers in the form of its number (Accessory foramina transversarium /AcFT), size and shape.

Background: Brachial Plexus is formed by anterior rami of inferior four cervical nerves C5,C6,C7,C8 and first thoracic nerve T1.It has roots, trunk, divisions, cords and terminal branches. Variations in communication of branches and cords are commonly observed.