All the pairs about the joints of the upper limb are true except: (A) Acromioclavicular joint - Plane synol joint, (B) Shoulder joint - Ball and socket joint, (C) Sternoclavicular joint - Hinge joint, (D) Intercarpal and midcarpal joint - Plane synol joint
Answer is C. The sternoclavicular joint is a synol sellar joint It is the only skeletal aiculation between the upper limb and the axial skeleton. Ref : Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 808.