I WONDER - What Are The Most Mobile Joints? Me Pregunto - Cuáles Son Las Articulaciones Más Móviles?

The video tutorial explains the concept of ball joints and cavities, highlighting their role in enabling movement of arms and legs in various directions. It provides examples of such joints in the hip and shoulder, describing the spherical and cavity parts of these joints.

How do ball joints allow for movement in the arms and legs?

What distinguishes the spherical part of the joint from the cavity?