A Japanese sword with a curved blade having one sharpened edge. The blade-not including the handle (Tsuka)-ranges from 60 cm to 73 cm (23.6″ to 28.75″), though the length may exceed this range on occasion. A sharpened Katana is generally referred to as a Shinken. An unsharpened practice Katana is commonly called an Iaido.


The concept of keeping your body centered on your area of focus and intent while keeping your legs, hips, knees, torso and shoulders all in proper alignment in a constant and consistent manner. In addition your hands remain within your center triangle and do not move outside this triangle or stray across the center line.


Dorsiflexion is movement of the ankle joint. Bending the ankle so the toes move toward the shin is dorsiflexion. Dorsiflexion is commonly used during Yoko Kekomi Geri so that the toes move back and the heel is projected into the target.

Plantar Flexion

Plantar flexion is movement of the ankle joint such the toes extend forward and away from the shin. This is the movement you would use during Mae Geri to project the ball of the foot forward and into the target.


Eversion is the opposing movement to Inversion. The bottom of the foot moves toward the lateral side of the body. This movement is very limited in its range; the foot can seldom move very far in the lateral direction. Therefore, eversion is often simply the movement that occurs following a prior Inversion so that the Read More …


Inversion is a rotation of the foot so that the bottom of the foot moves toward the mid-line. This is the foot position used in Deashi Barai Nage as you attempt to sweep the opponent’s foot.


A sheet of fibrous tissues (much like tendons) that allow muscles to connect to a large surface area. Commonly an aponeurosis will connect with several surfaces over a wide area and then the muscle will originate from the aponeurosis fibers.

Hiza Geri

A kick in which the knee is used as the striking surface. Care must be taken to not strike using the knee cap. Instead the lower thigh or upper shin area should serve as the striking surface. Striking with the knee joint (in the vicinity of the knee cap) may cause a painful and debilitating Read More …

Nage Waza

Throwing skills, tricks, or techniques.


Continued or lingering awareness.


Swinging, moving, striking, or otherwise inducing movements or forces that will cause blood and tissue to be dislodged from a blade. This is often distinct from wiping the blade to remove residue, which would normally be an additional step prior to performing Noto. Wiping the blade is not often depicted in Kata, but would be Read More …


Returning the Katana (or other bladed weapon) to the Saya. Returning the sword to the scabbard.


Drawing of the sword. The process of drawing the Katana.


expertise; knowledge; experience; concepts

Kakou Doujime Geri

A scissor kick employed while falling or on the ground. Both legs are spread apart and then move briskly back toward the middle much like the closing action of a pair of scissors. Usually the opponent’s ankle and knee are impacted by both of your legs simultaneously, causing the opponent’s leg to bend substantially.


Check, constrain, restrain, screen, or otherwise prevent movement of some portion of an opponent’s anatomy. This action is commonly called a check.


Anatomical reference for the face.

Head Instructor

The owner or most senior instructor in a Dojo, club, or other organization. This person is usually responsible for both curriculum dissemination and management/administration of the organization.

Muchimi Te

Sticky hand. This method uses friction rather than grasping to cause some portion of another person’s anatomy to move.

Post a Leg

While on the ground place a leg back and away from the opponent to resist an attempt by the opponent to roll or move you in that direction.