Joints of should girdle 上肢帶骨的连接 Sternoclavicular joint胸锁关节 Bones: sternal end of clavicle, clavicular notch of sternum and first costal cartilage Articular capsule strong and is reinforced by anterior and posterior sternoclavicular ligaments Articular disc: attached to the capsule dividing the joint into two cavities Movements: elevation and depression forward and backward rotation and circumduction of the acromial end of the clavicleJoints of should girdle 上肢带骨的连接 Sternoclavicular joint 胸锁关节 ◼ Bones: sternal end of clavicle, clavicular notch of sternum, and first costal cartilage ◼ Articular capsule: strong and is reinforced by anterior and posterior sternoclavicular ligaments ◼ Articular disc: attached to the capsule, dividing the joint into two cavities. ◼ Movements: elevation and depression, forward and backward, rotation and circumduction of the acromial end of the clavicle