general joint knowledge
what is syntosis?
the fusion of two or more bones across a joint to form a single bone
what is the anatomical name of the shoulder joint?
the glenohumeral joint
what are the three types of fibrous joints
sutures, syndesmoses, and gomphoses
the shoulder joint is reinforced by these ligaments:
glenohumeral, coracohumeral, coraco-acromial
what kind of joint is an epiphyseal plate
synchondrosis joint
function of coraco-acromial ligament
prevents the head of the humerus from slipping from the glenoid cavity superiorly
articular cartilage receives nourishment from:
the vascular circle of blood vessels at the peripheral margin of the cartilage, spongy bone, and synovial fluid
the glenohumeral joint is the most mobile joint in the body: list the movements that it can facilitate
flexion, extension, abduction, adduction, medial rotation, lateral rotation, circumduction
list all 6 types of synovial joints
ellipsoid, saddle, ball-and-socket, hinge, pivot, plane
explain why the glenohumeral joint is the most mobile joint in the body
the glenoid cavity of the scapula is a very shallow cavity that only covers a third of the humeral head, allowing it to rotate freely