Any women of any size, age and physical stamina and fitness can execute Brazilian jiu jitsu effectively. Brazilian jiu jitsu doesn’t require body strength to execute the fighting skills. You don’t have to be physically stronger than your opponent or attacker. All you need to have is the correct skills and techniques. Once you get the techniques of leg lock, grappling, head lock, chokeholds, joint locks correct, you have the tools needed to overcome your opponent.