Well, by technique I don't necessarily mean a specific fighting style. Really street fighting has its own technique. She's just making sure you're using the right parts of your body to put power behind your punches and making sure your stances are strong enough that you're not going to be knocked over very easy.

She let him go. She secretly likes Yusuke and, hell, the more people she can have screaming in the private box they had for the MMA tournament the better