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.
Correct Answer: C
Solution :
The given figures P, Q, R and S represent hinge joint, ball and socket joint, pivot joint and gliding joint respectively. Hinge joint (P) is present in our elbow and knee and allows movement in only one plane. Ball and socket joint (Q) allows highest freedom of motion, e.g., shoulder joint (between humerus and shoulder) and hip joint (between femur and hip bone). Pivot joint (R) also called rotatory joint allows rotatory movement around a single axis. The moving bone rotates within the ring formed from second bone. Joints between first and second cervical vertebrae exemplify pivot joint.You need to login to perform this action.
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