[Muscle/Ligament] Deltoid muscle [Other attachment] deltoid tubercle, anteriorly on the lateral third [Attachment on collarbone] 
Superior surface and anterior border
S u p e r i o r s u r f a c e a n d a n t e r i o r b o r d e r
S u p e r i o r s u r f a c e
I n f e r i o r s u r f a c e
A n t e r i o r b o r d e r
P o s t e r i o r b o r d e r