<prompt> The most frequently dislocated joint in the body isAcromioclavicular jointGlenohumeral jointAnkle jointHip joint  <response>: The glenohumeral joint is the most mobile joint in the body and is very unstable As the mobility increases, stability is lost in the joint The shoulder dislocation occurs more commonly in adults and rare in the children. Ref : Grays Anatomy The Anatomical Basics of Clinical Practice 41 e pg 813. 