Question

you can rotate your arm
around your shoulder due to_____​

Answer 1

Answer:

Thus, rotation of the arm in a full circle is possible due to ball and socket type of joints.

Answer 2

Explanation:

Ball and socket joint: In this joint, one end of a bone is round in shape , just like a ball. The other bone is in the shape of a socket. The ball shaped end of one bone fits into the socket shaped end of another bone. This joint is found in the hip and shoulder. They allow free movements in all directions.