Monday, March 24, 2008

The Science Of A High Kick: by VictoriaNJMT

The elusive high kick:..:

Kicks to the head are an important weapon in any fighter’s arsenal. I’m not going name any names, but there is one person at NJMT who would call the high kick their specialty. Turns out there is much more to the high kick than flexibility……

More Powa!!!!!

Power (physics)

From Wikipedia, the free encyclopedia

In physics, power (symbol: P) is the rate at which work is performed or energy is transmitted, or the amount of energy required or expended for a given unit of time. As a rate of change of work done or the energy of a subsystem, power is:

Where P= W/T

P is power

W is work

t is time.

Power is the concept behind every punch, kick, knee and elbow in muay ..:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Thai. Simply put the work you are doing is your technique and the time is how long it takes for you to execute it.

This is physics and if human beings were machines then this would be true.

Buakaw Por Pramuk throws 1 right kick /1 second= X units of power

Victoria NJMT throws 1 right kick = /1 second= X units of power

Victoria NJMT POWER = Buakaw Por Pramuk POWER


Only in my dreams!!!! There is another science out there that accounts for the variables of movement and that is Kinesiology. In kinesiology takes into account the following.



Meaning the force you generate on any motion over any given distance and the amount of time it takes you to get there will determine your Power.

But How do you generate and transfer force through a movement?

Ground reaction force: The force that is generated through the lower body as the foot pushes off the floor.

In a kick, it all starts with the push off the floor. The force from that push travels towards your center of gravity (different for everybody). The forward propulsion of the kick is determined by the angle that the foot left the floor. The wider the angle of your kick from your center, the more diffuse the force of the forward propulsion. The horizontal component is then influenced by the friction and transfer of force produced by the standing leg. Friction is created as you pivot your foot on the standing leg. The pivot of the standing leg’s foot aides the shoulders and the hip to turn over and carry the horizontal force forward into the target.

To sum up power off a kick, you need to take you’re the mass of your leg and effectively and efficiently bring that force up and over to finish your movement in as little time as possible.

Limiting factors to producing a kick at max power:

  1. Poor technique. In other words, the angle of your stance is too wide, the pivot of your standing foot is sub-par and the transfer of force up the body is diffused due to poor segmental rotation of the hips, shoulders and leg.
  2. The time taken to execute the kick is too long to transfer power from the floor to the target.
  3. The target moves. This creates more time form floor to objective and therefore decreases power into the target.

What this means for the high kick is that you must execute all the key points listed above over a greater distance. To compensate for the distance you must move faster, transfer force through ideal segmental rotation AND have the flexibility to reach your intended target .

Happy Head Hunting!