Knuckles at the back of the hand enable the fingers to maneuver forward and backward. They can be essential in battle sports activities like wrestling and boxing. It balances toughness and suppleness by supporting the hand manage stability throughout tasks like gripping or lifting although permitting specific movements wherever needed. https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/