Articulations Flashcards
4 articulations at the shoulder
Sternoclavicular (SCJ)
Acromioclavicular (ACJ)
Glenohumeral (GHJ)
Scapulothoracic (ST)
AC joint type
Synovial plane joint: multi-axial
AC joint location
between the lateral aspect of clavicle and the acromion of the scapula
AC joint movements
Protraction - retraction, Elevation - depression, Axial rotation
GH joint type
Synovial ball and socket joint; multiaxial
GH joint location
between the head of humerus and glenoid fossa
GH joint movements
Flexion-extension, abduction-adduction, external/lateral rotation-internal/medial rotation and circumduction
SCJ joint type
Synovial saddle joint; multiaxial
SCJ joint location
between medial aspect of clavicle and the manubrium of the sternum
SCJ joint movements
Elevation - depression, Protraction - retraction
ST joint location
attaches to thoracic wall via fascia
ST joint movements
Elevation-depression, protraction-retraction, external rotation-internal rotation
