- Strike (attack)
A strike is an attack with an inanimate object, such as a
weapon, or with a part of the human body intended to cause an effect upon an opponent or to simply cause harm to an opponent. There a many different varieties of strikes. An attack with the hand closed into a fistis called a punch; an attack with the leg or foot is referred to as a kick; and an attack with the headis called a headbutt. There are also other variations employed in martial artsand combat sports.
Strikes are the key focus of several sports and arts, including
boxing, karate, muay thai, taekwondoand wing chun, some martial arts also use the fingertips, wrists, forearms, shoulders, back and hips to strike an opponent as well as the more conventional fists, palms, elbows, knees and feet that are common in combat sports. Other sports and arts, such as judoor wrestlingemploy no strikes in focusing on grapplingtechniques.
Some other uses of the hand for striking are given below.
A strike using the palm of the hand. Whether the hand is open or the fingertips are folded against the bottom knuckles, palm strikes hit with the bottom part of the palm, where the hand meets the wrist. The hand is held perpendicular to the wrist to avoid hitting the softer inner wrist tissue against the target.
In general, if a strike is applied to certain pressure points, the resulting percussive shock can disrupt the nervous system causing shock and sometimes loss of consciousness.Fact|date=February 2007 The bottom ridge of the palm is a surprisingly solid striking surface, and can do just as much damage as a closed fist when utilized properly (some studies have shown that a palm strike actually can produce more energy then a a punch in most cases), with far less risk of injury to the striker's own hand.
The palm strike is useful as it is thrown in a more relaxed manner than a clenched fist. This is because clenching the fist shortens the extensor muscles of the wrist which counter the action of flexor muscles of the wrist used in punching. Many martial arts teach to keep the fist clench relaxed until impact in order to maximize the speed of the punch.
Targets are numerous and some examples include the
nose, jaw, ears, back of the head, the groin, the kidneys and abdominal cavity. Some combat sports, such as Pancrase, have forbidden strikes using the clenched fist but permitted strikes using the palm.
A strike using the part of the hand opposite the thumb (from the little finger to the wrist), familiar to many people as a karate chop, "Shuto" or "Tegatana". This refers to strikes performed with the side of the knuckle of the small finger. Suitable targets for the knife hand strike include the mastoid muscles of the neck, the jugular, the throat, the collar bones, the 3rd vertebra (key stone of the spinal column), the upper arm, the wrist (knife hand block), the elbow (outside knife hand block), and the knee cap (leg throw). In many Japanese and Chinese martial arts systems, the knife hand is used to block as well as to strike.
By tucking the thumb into the palm, a striking surface called the ridge-hand, or reverse knife-hand is formed, extending a few inches along the inside of the hand below the first knuckle of the first finger. Ridge-hand strikes commonly are delivered with a hooking motion, or with a straight arm swing
Suitable targets include the mastoid muscles of the neck, the jugular,
throat, nose, jaw, and the groin.
Delivered just as with a punch except that the hand is held open like with a knife hand. Referred to as a Biu Sao in
Wing Chun, the intended striking area are the tips of the fingers.The ideal targets are the eyesand throat. Obviously, use of this technique is generally unsuitable against most other targets due to the high probability that one might break their fingers.
A strike with the bottom of a clenched fist, using an action like swinging a hammer, but can also be used horizontally like a backfist strike using the bottom fist.
This strike will not damage the bones of the hands as there is no compression of the knuckles or metacarpals, and there is no leverage to bend the wrist.
The hammer fist strikes cricket ball sized areas on the body, hence is particularly effective for striking the
Occiput, the temples, the nose, the mandible, the wrist (for blocking punches), the sternum, and the ear (although a cupped hand is more effective). The hammerfist is sometimes used during "ground-and-pound" striking in mixed martial arts to avoid damaging the bones of the hand.
Extended Knuckle Strike
Hand strikes can be delivered with an extended knuckle, rather than the classic fist configuration used for a traditional punch. One of the fingers is moved forwards so that the impact is made with the knuckle, concentrating force onto a smaller area. This kind of strike is optimized for attacks to
pressure points, as the knuckles are much too fragile for percussive blows to other areas.
Kicks are covered by a separate article, see
For knee strikes, see Knee.
Strikes in Asian martial arts and Western boxing have many of the same principles in common. These principles apply to strikes with most parts of the human body. These principles are typically learned by martial artists through multiple repetitions under the supervision of a qualified instructor. Many martial arts and texts include these principles, such as karate [Funakoshi, Gichin. "karate-Do Kyohan - The Master Text" Tokyo. Kodansha International; 1973.] and Jeet Kun Do. [Lee, Bruce and Lee, Linda. "Tao of Jeet Kun Do" Burbank, CA. O'Hara Publications; 1975.] This is only a partial list.
# Timing of muscular tension - The striker relaxes to the extent possible during the strike, tensing the muscles of much of the body only at the time of impact, then relaxing again to recoil the striking part. Relaxation enables the strike to achieve the greatest possible velocity during travel, while rigidity at impact allows the maximum transfer of force. This principle is summarized as: "Move like a whip and hit like a baseball bat."
# Breath control - Practitioners may include a "kiai" or shout, to help tense the muscles at impact and distract or frighten the opponent. Strikers generally exhale as the strike nears the target. Breath control is also important to relax the body when not attacking; novice strikers often bleed significant energy because they are tense at inappropriate times.
# Penetration - Strikes should aim for a point 4-6 inches (10-15cm) behind the target surface, to impart the most energy into the target. The striker in combat should attempt to strike through the target area, not just contact the surface.
# Focus - Strikes should channel force through a small area of the attacker's body. For example, this is the knuckles of the middle finger and index finger during a
karatereverse punch, or the crescent/blade of the foot in a Tae Kwon Doside kick technique. Focus helps in achieving proper penetration and in maximizing the damage at the point of impact.
# Kinetic linkage / Summation of force - Muscles are activated in a precise sequence to maximize the force generated. Strikes should generally be thrown with some measure of shifting body weight supporting the blow, as opposed to just the striking arm or leg. For example, in the straight lead made famous by
Bruce Lee, the traditional boxing jab is made more forceful by driving off the rear leg and shifting body weight into the blow, while twisting the trunk and shoulder to further enhance the striking force.
# Footwork - Proper footwork is used to enable the proper balancing of the body, to support combinations of strikes and launch strikes from the proper angle or distance. This is among the most complex elements of striking, as power ultimately flows from the legs in striking and optimizing the ability to throw combinations involves precise footwork.
# Combinations - Strikers may use combinations of techniques to ensure one or more strikes impact their opponents. These attacks are thrown at various targets on the body, with the greatest force typically thrown with a particular technique in the sequence.
# Level of attack - The height of attack is often varied, such as a jab to the head followed by a kick to the ribs. By varying the level of attack, strikers open the guard of their opponent.
# Timing and Rhythm - Experienced strikers learn through repetition and muscle memory when (not just how) to launch particular strikes, based on the circumstances they are facing. Fights and fighters may have ebbs and flows in momentum and action that become predictable. Disrupting this flow may give the striker an advantage.
# Avoid "telegraphing" - Telegraphing refers to moving the striking body part prior to actually launching the blow. Telegraphing signals the intent to the opponent and increases the likelihood the strike will not be effective. In general, the striking weapon should move first, with the body driving behind it. This requires proper distancing and footwork.
# Deception - Strikers use feints or distractions to disguise the timing or direction of their attacks. Stomping the foot, noise, frequent hand movement, head movement, switching the guard position, etc. are common feints. Using feints, then attacking at multiple levels and with various techniques may help deceive the opponent, defeating their guard.
# Gravity - Strikes that go from high to low like hammerfists, downwards elbows, and stomp kicks see their force enhanced by gravity.
The dangers of fist strikes
The human hand is made up of many small bones which may be damaged by heavy impact. If a hard part of the opponent's body or other hard object is inadvertently struck, the
metacarpals may splay on impact and break. Boxers tape their hands so as to hold the metacarpals together and keep them from splaying. One can toughen one's bones by striking objects to induce osteoclasts (cells which remove bone) and osteoblasts (which form bone) to remodel the bone over the struck area increasing the density of bone at the striking surface Fact|Feb 19, 2008|date=February 2008 (reference needed, see search pubmed at www.ncbi.nlm.nih.gov/pubmed.) For more information on bone remodeling, see Wolff's law
wristmust also be kept in proper alignment during a fist strike. If the wrist bends on impact, it can easily be sprained, dislocated or broken. Boxers tape their wrists to reduce wrist flex.
One inch punch
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