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)