"No muscles act directly on this joint. In turn, it permits passive movements only. Instead, the basic scapular movements of protraction/retraction, rotation and elevation/depression transmit to corresponding movements to AC joint."
"variable AC joint configuration, described in the coronal plane 14-16"
Expected headings
"Movements"
"Ligaments"
"A fibrocartilaginous wedge-shaped articular disc, measuring between 1.5-4.0 mm 8, separates the two articular surfaces, but its function is unknown 2,6. There are three types of disc 8-11:"
"No muscles act directly on this joint. In turn, it permits passive movements only. Instead, the basic scapular movements of protraction/retraction, rotation and elevation/depression transmit to corresponding movements to AC joint."
"axillary, suprascapular and lateral pectoral nerves 2,6"
"low-lying acromion: the inferior cortex of the acromion lies below the inferior cortex of the clavicle; often difficult to distinguish from a high-riding distal clavicle"