<prompt> Which of the following is not a diahrosis ?Elbow jointInterphalangeal jointSkull suturesHip joint  <response>: Ans. is c i.e., Skull sutures Functional classification of joints movement Joints can also be classified functionally according to the type and degree of movement they allow: Synahrosis - Permits little or no mobility. Most synahrosis joints are fibrous joints e.g., skull sutures. Amphiahrosis - Permits slight mobility. Most amphiahrosis joints are cailaginous joints e.g., interveebral discs. Diahrosis - Freely movable. All diahrosis joints are synol joints e.g., shoulder, hip, elbow, knee, etc., and the terms diahrosis and synol joint are considered equivalent by Terminologia Anatomica 