Atlanto-axial joint Atlanto-axial joint The atlantoaxial joint is a joint in the upper part of the neck between the first and second cervical vertebrae; the atlas and axis. It is a pivot joint. The atlantoaxial joint is of a complicated nature. It consists of no fewer than four distinct joints. There is a pivot articulation between the odontoid process of the axis and the ring formed by the anterior arch and the transverse ligament of the atlas. There are three atlantoaxial joints: one median and two lateral: The ligaments connecting these bones are: The atlantoaxial joint in common terminology is actually a
The Bones "Beenkeragh Ridge" is considered as "intimidating hill-walking conditions", along with the nearby The Big Gun ridge, and is often climbed as part of the "Coomloughra Horseshoe". The Bones is often confused with "The Bone", the north-west spur of the nearby Maolan Bui , MountainViews Online Database reported that to avoid confusion in rescue situations, the Kerry Mountain Rescue ("KMR"), and the Ordnance Survey Ireland ("OSI") advocated for the official name of The Bones to become Na Cnámha on OSI maps. The Bones is the 321st-highest mountain peak in Britain and Ireland on the Simm classification. The Bones is regarded by