Knuckles behind the hand enable the fingers to move forward and backward. They are really essential in combat sports activities like wrestling and boxing. Every single phalanx has two facilities of ossification, the first one particular for the body or shaft, and the second for The bottom or proximal extremity. https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/