joints of upper limb Flashcards
Sternoclavicular Joint
attaches the upper limb to the trunk
what broadly
one of the joints of the pectoral girdle
what type of joint
synovial saddle joint
what is the joint cavity divided by
fibrous articular disc
function/movements
elevation of lateral clavicle
anterior and posterior movements
how is it stabilised
joint stabilised with a number of ligaments
Acromioclavicular Joint (ACJ)
lateral end of the clavicle and the acromion process of the scapula
what are the teo joints of the clavicle
ACJ
SCJ
type
plane synovial joint
movement
Rotation and some
vertical and anterior/posterior (A/P) movements
stabilised by
ligaments and muscles limit movements and stabilise the joint
Scapulothoracic Joint
Not a true joint
movement
Movements of the scapula against the posterior and lateral thoracic wall are the scapulothoracic joint movements.
Shoulder Joint (glenohumeral joint)
ball-and-socket synovial joint.
between
rounded humeral head articulates with glenoid fossa of the scapula
movement
highly mobile joint with wide range of movement
stabilised by
muscles required for joint stability. (eg. Rotator cuff group)