FOOT TECHNIQUE (CHAGI)

The chagi is a technique to overpower the opponent by making use of the foot manipulated by the motion of leg. A chagi can be performed by using the force at the time of stretching the bent and folded knee or the turning force of the stretched leg, making use of the body's turning force. the chagi techniques are classified by the motion of leg and foot, and the kicking power differs according to the applicable parts of the body. There are also other classification methods according to the way of kicking either by holding the opponent or using the impellent force.
 

Rising Kick -		Kick the leg straight up with the ball of foot. This kick is mostly used to condition the muscles for more strenuous kicks and as a defensive move in sparring.
Crescent Kick -		This kick can be performed two ways: inside out or outside in crescent kick.  Lock the knee while lifting up the leg and kicking in an outward or inward semi-circle. This kick is used to block a hand attack, as a strike to the side of the face , or simply to stretch.
Front Snap Kick -		Bend your knee straight up, snap you leg and kick directly in front of you with the instep or sole of the foot.  This kick is used to strike the face, solar plexus, groin area, and front of the knee.
Hammer Kick -		This kick can be performed two ways: either by bending the knee while lifting up the leg or keeping a straight knee while lifting up the leg.  To execute a bent knee hammer kick, bend the knee against the chest.  Unfold and swing the leg in a downward position using the hip to create power.  To execute a straight knee hammer kick, follow the same movement but keep the knee straight. This kick is mostly used in sparring for strikes to the head and shoulder.
Roundhouse Kick -		Bend the knee in a diagonal position and simultaneously pivot the opposite foot 180 degree.  Using the instep, strike the face, stomach, or rib/kidney area. this kick is frequently used in Taekwondo because of its power, accuracy, and simplicity.
Side Kick -		Bend the knee in a horizontal position and thrust it toward the target in a direct, linear movement.  Use the heel and the outer edge of the foot to strike.
Back Kick -		Pivot 180 degree on the ball of the standing front leg.  Quickly look over your shoulder as you turn to catch the opponent's movement.  Turn the body slightly toward the target, bend the back leg, and strike with the heel in a direct, linear movement.
Back Hook Kick -		Pivot 180 degree on the ball of the standing front leg.  Quickly look over your shoulder as you turn to catch the opponent's movement.  Turn the body slightly toward the target, bend the back leg, kick straight back and hook with heel in a circular horizontal movement. This kick must be done quickly and accurately in order to be efficient and powerful.