Shoulder girdle - general

-anatomical framework that attaches the upper limb to the axial skeleton
-provides a strong base for the arm
-allows for a huge range of movement necessary for ADL's

1. mobility 2. stability

-humerus
-scapula
-clavicle
-sternum

-glenohumeral
-acromioclavicular
-sternoclavicular
-scapulothoracic

multi-axial synovial

ball and socket

head of the humerus and the glenoid fossa of the scapula

synovial

plane

-lateral end of the clavicle
-acromion of the scapula

-articular surfaces covered by fibrocartilage instead of hyaline
-joint cavity is partially divided by a wedge shaped fibrocartilage disc

synovial

saddle

-medial end of clavicle
-manubrium of sternum
-first costal cartilage

-articular surfaces covered with fibrocarilage instead of hyaline
- joint contains a fibrocartilaginous articular disc

physiological joint

-anterior surface of scapula
-posterior rib cage