A jab is the most basic punch in a fighter's arsenal. It is the quickest punch that can be thrown, and is effective for setting up combinations and interrupting your opponents punches.
How To Throw A Jab Step 1: Get into your striking stance. Step 2: Lean forward slightly, and extend your jab arm, twisting your fist so that the back of your hand is facing up. Step 3: Make sure to keep your offhand up to protect your chin, and that you exhale when you punch. Step 4: Return your fist to your original striking stance position.
A jab is the most basic punch in a fighter's arsenal. It is the quickest punch that can be thrown, and is effective for setting up combinations and interrupting your opponents punches. 
