Sternoclavicular Joint

Question 1

What type of joint is it?

Answer 1

saddle joint, clavicle and manubrium

convex longitudinally, concave transverse

Question 2

Joint Capsule

Answer 2

divides joint into two separate cavities

interiorly attached to manubrium, superiorly clavicle

Question 3

Movements of joint

Answer 3

elevation/depression, protract/retract

Question 4

What are joints of ligament

Answer 4

A/P sternoclavicular, costoclavicular, intraclavicular

Question 5

Ant. and Post sternoclavicular lig.

Answer 5

between sternum and clavicle

prevents: clavicle being pulled out, A/P displacement, too much depression of shoulder girdle

Question 6

Costoclavicular lig.

Answer 6

ties costal cartilage and 1st rib to clavicle

prevents: clavicle elevation, A/P translation

Question 7

Intraclavicular

Answer 7

connects two clavicles, across top of manubrium

prevents: seperation and upward pull durin scap depression