Arises from posterior border of lateral 1/3.
Arises from superior surface of medial 1/3.
Arises from medial end of clavicle.
Arises from medial 2/3 of anterior surface of clavicle.
Arises from subclavian groove
Arises from superior surface of lateral 1/3.
Electronic School of Medicine
Creator: Oluwole Ogunranti