This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joints, Subject name: Anatomy
1st carpometacarpal joint is a ty pe of - 
Select and explain. 
A. Ellipsoid, B. Saddle, C. Condylar, D. Ball and socket
B: Saddle
Answer: B: Saddle 
Explanation: Ans. is 'b' i.e.. Saddle Joints of upper extrimitvName of jointType of jointSternoclavicularAcromioclavicularShoulderElbowSuperior radioulnarInferior radioulnarMiddle radioulnarWrist1st carpometacarpalMetacarpophalangealInterphalangealIntercarpal and midcarpatSaddlePlane synovialBall and socketHingePivotPivotSyndesmosisEllipsoidSaddleEllipsoid (functionally)Condylar (Structurally)HingePlane synovial