7. Mechanism of injury
• Fall onto lateral aspect of shoulder (85%)
• Direct impact to clavicle
8. Displacement
• Medial fragment pulled
posterosuperiorly by
sternocleidomastoid muscle
• lateral fragment pulled
inferomedially by pectoralis major
and and weight of arm
14. Mechanism of injury
• Fall onto lateral aspect of shoulder (85%)
• Direct impact to clavicle
15. Displacement
• Medial fragment pulled
posterosuperiorly by
sternocleidomastoid muscle
• lateral fragment pulled
inferomedially by pectoralis major
and and weight of arm