Refer to the given figures of machines P, Q, Rand S which represent different joints of our body. Identify the joints according to movement of these machines and select the correct option.

• A. P type of joint is found between the upper arm bone (humerus) and shoulder.
• B. Q type of joint is present in our elbow and knee and allows movement in only one plane.
• C. S type of joint allows side to side as well as backward and forward movement, e.g. ankle and wrist joints.
• D. R type of Joint allows the highest freedom of motion e.g., hip joint.