The Siu Nim Tau introduces the single punch (straight-line thrusting punch) as a prerequisite to the chain punch. The motion of the single punch, along with the circling hand, develops the path and structure necessary for a safe and powerful chain punch.
When extending the punch in the air, be sure that the fist starts at the center-point and extends up to throat level when thrust forward. The air punch should be fully extended or locked out in order to call upon the correct muscle groups. If done properly, the triceps and the lateral muscles are the primary muscles engaged. Refrain from tensing or extending the shoulders. If done properly, the triceps and the lateral muscles of the back are the primary muscles engaged. Keep in mind that locking the arm out should only be done when practicing in the air, and not on a wall bag or target. The arm is locked out in order to allow the full power to be utilized. Read more