Arnis is the official national sport and the martial art of Philippines. It is also known as Kali or Eskrima and is a form of martial arts that focuses on weapon-based fighting with knives, sticks, bladed weapons and some improvised weapons. The sport also includes hand to hand combat, grappling, joint locks and weapon disarming techniques. Practitioners of the sport are called arnisador (male athletes) and arnisadora (female athletes). Initially, the sport was practiced by the peasant or commoner class but those practitioners lacked the scholarly knowledge to create any kind of written record. Arnis was declared the Philippines’ National sport and martial art on 11 December 2009.