Respuesta :
A. pivot because a pivot is like a socket and a hands and wrist is connected by joints.
Pivot is a joints which is not found in the hands and wrists. Correct answer: A Pivot joint is also called rotary joint and allows upwards, downwards and sideways movement. This type of synovial joint permits axial rotation.In a pivot joint, a cylinder shaped bone rotates inside another bone or ligament that forms a ring around it.