The Clavicle Functions Attaches the upper limb to the trunk Protects neurovascular structures supplying the upper limb Transmits force to the axial skeleton Structure Sternal end Contains large facet for articulation with the manubrium – sternoclavicular joint Inferior surface has an oval depression for the costoclavicular ligament (of the SC joint) Shaft Origin and attachments for: Deltoid Trapezius Subclavius Pectoralis major Sternocleidomastoid Sternohyoid Acromial end Small facet for articulation with the acromion Conoid tubercle – attachment for conoid ligament (medial part of coracoclavicular ligament) Trapezoid line – attachment for trapezoid ligament (lateral part of coracoclavicular ligament)