It's definitely interesting to see a combat fighting style, and compare it to a sport fighting style, which is what we MMA fans are accustomed to seeing. If I had to choose between fighting in a bar brawl against Chuck Liddell or an average Israeli paratrooper, I'd choose Chuck (on the other hand, a Krav Maga fighter would probably be DQ'd in about 3 seconds in an MMA match
Krav Maga, for those who don't know, is a martial art developed by the Israeli Defense Force. As bls1919 points out, the IDF is one of the few gender-integrated fighting forces, and I believe the women receive the same training as the men, alongside the men.
One thing that I found interesting in this episode was the instructor's insistence that the guy not
go to the ground, which he did somewhat reflexively, because he was an MMA fighter with some BJJ training. It makes sense that, in a combat situation against more than one opponent, you'd want to retain mobility and maneuverability. As she said to him, if she was fighting him and he took the fight to the ground, she would throw sand or dirt in his face to blind him.