Arm locks can work for much more than "a second or two." Watch Brazilian jiu jitsu, submission grappling, or even MMA competitions. But, in order to maintain th

Arm locks can work for much more than "a second or two." Watch Brazilian jiu jitsu, submission grappling, or even MMA competitions. But, in order to maintain the control of an arm lock, you often have to go to the ground. When standing, people have too much freedom of movement.