Articulations of Vertebral Arches

The joints between the articular processes of the vertebrae belong to the arthrodial variety and are enveloped by capsules lined by synovial membranes. While the laminae, spinous and transverse processes are connected by the following ligaments: The Ligamenta Flava:...

Excursion

Excursion is the side to side movement of the mandible. Lateral excursion moves the mandible away from the midline, toward either the right or left side.Medial excursion returns the mandible to its resting position at the midline.

Opposition and Reposition

Opposition is the thumb movement that brings the tip of the thumb in contact with the tip of a finger. This movement is produced at the first carpometacarpal joint, which is a saddle joint formed between the trapezium carpal bone and the first metacarpal bone. Thumb...

Superior Rotation and Inferior Rotation

Superior and inferior rotation are movements of the scapula and are defined by the direction of movement of the glenoid cavity. These motions involve rotation of the scapula around a point inferior to the scapular spine and are produced by combinations of muscles...