关于格斗的句子,翻译达人请进，几个出自英文格斗资料中的句子，语义拿不准，请务必准确！

关于格斗的句子,翻译达人请进，几个出自英文格斗资料中的句子，语义拿不准，请务必准确！

MMA 综合格斗技吗? ^_^
1. Extended arm punches and strikes in long-range combat恭ve, like those in medium-range combative should be directed at vital points and nerve motor points
1. 延长臂拳和远距离打斗中，跟中距离打击一样应在重要的点和神经运动点攻击.
2. It is essential to put the entire body mass in motion behind long-range strikes.
2. 把整个体重应用在远距离打击是必不可少的。
The defender drives a heel kick into the attacker’s groin with his full body mass behind it。
防守者驱动他的体重到脚跟去踢击攻击者的腹股沟。