Attachments
Muscles and ligaments that attach to the clavicle include:
| Attachment on clavicle |
Muscle/Ligament |
Other attachment |
| Superior surface and anterior border |
Deltoid muscle |
deltoid tubercle, anteriorly on the lateral third |
| Superior surface |
Trapezius muscle |
posteriorly on the lateral third |
| Inferior surface |
Subclavius muscle |
subclavian groove |
| Inferior surface |
Conoid ligament (the medial part of the coracoclavicular ligament) |
conoid tubercle |
| Inferior surface |
Trapezoid ligament (the lateral part of the coracoclavicular ligament) |
trapezoid line |
| Anterior border |
Pectoralis major muscle |
medial third (rounded border) |
| Posterior border |
Sternocleidomastoid muscle (clavicular head) |
superiorly, on the medial third |
| Posterior border |
Sternohyoid muscle |
inferiorly, on the medial third |
| Posterior border |
Trapezius muscle |
lateral third |
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