咏春拳是以“***理论”等理论基础为内容的南拳拳术，强调使用正确的观念、意识及思维方式，来导出肢体的灵活应用；其内容主要包括“小念头”“寻桥”和“标指”等，主要练习方式为双人对练的“黐手”“黐脚”等；辅助器材有贴墙沙包、三星桩等；训练器械有木人桩、刀、棍等。

***理论的***是指由人体头顶至尾闾一线，在进攻时，咏春拳要求拳手沿着自身***向敌方***攻击，这是敌我之间的最短距离，同等拳速，拳轨近者当然较快击中。向敌方***攻击，对方也很难卸力，而且受力也较重。著名武打明星李小龙曾跟随咏春拳一代宗师叶问系统地学习过咏春拳，李小龙创立的截拳道与咏春拳有着密不可分的关系。李小龙常常在一英尺处将对手击倒在地。这种技术与咏春拳的***理论有关，是最具有实用价值的中国武术体系中拳理论的一部分

由于咏春拳的发力基于身体的中心线，这就使得拳手出拳力量直接来源于其身体背部的大肌肉群，这种发力方式与那些力量来源于腰与臂部肌肉的武术体系形成鲜明对比。咏春拳斗士出拳时，他的肘部也在寻求自我身体的中心线。当肘部寻找到自己身体的中心线后，身体与手臂在一条直线上的冲拳能产生令人意想不到的强大力量。

Wing Chun is a Nanquan boxing based on the "middle line theory" and other theories. It emphasizes the use of correct ideas, consciousness and ways of thinking to derive the flexible application of the body. It mainly includes "sticking hands", "STICKING feet", "sticking hands" and "sticking feet" which are practiced in pairs. Auxiliary equipment are affixed to the wall sandbag, three star pile, etc. Training instruments are wooden stakes, knives, sticks and so on.

The center line of the center line theory refers to the line from the top of the human body to the sink line. When attacking, Wing Chun requires the fighter to attack the enemy's center line along his own center line. This is the shortest distance between the enemy and me. Attack to the enemy's center line, the other side is also difficult to unload, and the force is heavy. The famous martial arts star Bruce Lee once studied Wing Chun systematically under the master of Wing Chun, IP Man. Jeet Kune Do founded by Bruce Lee is closely related to Wing Chun. Bruce Lee often knocked his opponents to the ground at a foot. This technique is related to the center line theory of Wing Chun, which is the most practical part of the quan theory in the Chinese martial arts system

Because Wing Chun's power is based on the center line of the body, it allows a fighter to punch directly from the large muscle groups in the back of the body, in contrast to martial arts where the power comes from the waist and arm muscles. When a Wing Chun fighter throws a punch, his elbow also seeks the center line of his body. When the elbow finds the center line of its body, a punch in line with the arm can be surprisingly powerful.

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