Acromioclavicular Joint Flashcards
1
Q
What type of joint?
A
plane joint, acromial facet faces lateral and inferior, subtle movement
2
Q
Blood Supply
A
acromial rete, acromial branch of thoracromial, Posterior circumflex humeral artery, supra scapular
3
Q
Ligaments of AC joint
A
acrimioclavicular, coracoclavicular (conoid and trapezoid)
4
Q
Acromioclavicular
A
reinforce Superiorly and inferiorly
5
Q
Coracoclavicular lig
A
helps suspends scapula from clavicle, prevents backward and inferior mvmt scap
6
Q
Conoid
A
base of coracoid process to conoid tubercle, prevents inferior mvmt of scap
7
Q
Trapezoid
A
attaches to trapezoid line, prevents medial mvmt of scap
8
Q
scapulothoracic joint
A
not true joint bc no capsule, scapula btw rib 2-7, allows for wide range of motion at shoulder joint
