I would think that a woman would need to be tough enough to have:'
1) good aerobic fitness
2) good flexibility
3) slightly above average strength for her gender and size but not too much--some weight training perhaps or calisthenics
4) the ability to take SOME punishment but not be a human punching bag (I don't want to be one for that matter)
5) a strong stomach from lots of sit-ups or crunches
6) the ability to have good sparring technique that holds up to her rank--just like a male student
I have never done fore-arm pounding since I am not an Uechi-ryu stylist, but in TangSooDo and Taekwondo there is the knuckle push-ups deal, finger push-up deal and such. I have backed away from that type of training (in addition to trying to toughen up the palms and such) because I do not want to lose sensitivity. The thing that has helped me be able to take blows better, besides having large parents, is my flexibility and strength. My body gives when it is hit due to flexibility, yet not to the point where I'd damage something due to strength. I've taken a kick to the eyeball and slipped that and other vital area injuries because my flexibility allows me to roll with the blow automatically, then the reflexes kick in, then the conscious mind.
One would think that women would be naturally more flexible but I have found that that is not a 100% thing. I've seen some women whose leg flexibility is just as bad as the average guy their age. Being flexible helps avoid injuries in other physical activities as well as the martial arts.
What I'm getting at is I think that flexibility is one avenue of conditioning that is underrated. True, us Korean stylists have the lower body flexibility for kicks, but sometimes the upper body and back are neglected by us.
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