Basic theories you have to learn to hit hard: Speed ​​is not force - The force is acceleration. Force is not just speed, it has to have strength (or a weight) behind DSN Code Black

 the speed. A quick punch will not hit hard unless you put some of your body weight behind it. Move Your Body - Like Bruce Lee's theory behind his famous one-inch stroke: moving his whole body an inch hits harder than moving his arm one foot. You have to move your entire body to get the maximum force (weight) on the hit.

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