This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of Bone & Fracture Healing, Subject name: Orthopaedics
[{'content': 'Which of the following is not a diarthrosis - \nSelect and explain. \nA. Elbow joint, B. Interphalangeal joint, C. Skull sutures, D. Hip joint', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Skull sutures Functional classification of joints (movement)o Joints can also be classified functionally according to the type and degree of movement they allow:Synarthrosis - Permits little or no mobility. Most synarthrosis joints are fibrous joints (e.g., skull sutures).Amphiarthrosis - Permits slight mobility. Most amphiarthrosis joints are cartilaginous joints (e.g., intervertebral discs).Diarthrosis - Freely movable. All diarthrosis joints are synovial joints (e.g., shoulder, hip, elbow, knee, etc.), and the terms "diarthrosis" and "synovial joint" are considered equivalent by Terminologia Anatomica', 'role': 'assistant'}]