Question

Assertion (A): A bowler is able to rotate his hand to an extent of 360 degree.
Reason (R): Shoulders have ball and socket joint.

• A. Both (A) and (R) are true and (R) explains (A).
• B. Both (A) and (R) are true but (R) does not explain (A).
• C. (A) is true and (R) is false.
• D. Both (A) are (R) are false.

Answer 1

The correct option is A Both (A) and (R) are true and (R) explains (A).

$\bullet$ Joints are junctions between bones which make movement of bones possible.
$\bullet$ There are different types of joints based on the degree of movement they permit. E.g., Hinge, ball and socket, gliding, fixed etc.
$\bullet$ Shoulder joints and hip joints can rotate upto 360 degrees. These type of joints are called ball and socket joint.
$\bullet$ This joint allows bowlers to rotate their arms 360 degress to bowl.