头颈是人体的要害部位之一，是搏斗中易受攻击的簿弱目标。头乃人体之司令部，四肢百骸的运动悉听之于命，其骨质虽坚硬，然颅内有脑神经系统及血管网络分布其中，故擒制之可使敌缺氧而窒息昏迷，甚至受伤而之．颈部是头与躯体的重要联系枢纽，具有较大的灵活性，但因有总动脉? Head and neck is one of the key parts of the human body, is a vulnerable target in wrestling vulnerable books. Head is the headquarters of the human body, limbs and bones of the movement are heard in life, although its bone is hard, but there are intracranial nervous system and vascular network which distribution, so capture the enemy can make the enemy hypoxia and suffocation coma, Even injured. The neck is an important link between the head and the body, with greater flexibility, but because of the common artery?