He shows that irrespective whether the attack is a vertical punch , a level fist or a finger - thrust , the movement is the same , i.e. it is generated by the rotation of the waist .
Grandmaster Wong demonstrates the mechanics of this principle .
Grandmaster Wong shows that irrespective whether the attack is a vertical punch , a level fist or a finger - thrust , the movement is the same , i.e. it is generated by the rotation of the waist .
Grandmaster Wong demonstrates the mechanics of this principle .