The etymological origin of flank It is located in the old high German lever, which translates as "hip" . That word passed to French as flank that in our language , became flank.

The concept is used to name the lateral sectors of something . It is, therefore, the sides or sides . For example: "The home team took advantage of the vulnerability of the left flank of his rival and attacked throughout the game for that sector", "The combat moved to the western flank and peace is getting further and further away", "The body found on the side of the river had a bullet impact on the right flank".
The notion of flank is usually used with respect to lateral regions of the body , seen from the front. Specifically, the flank is called abdominal area that extends over the hip and under the chest. When observing the human body, the navel is taken as a reference point to distinguish the right flank from the left.
The flanks, in this sense, are fleshy portions that develop between the hips and ribs . It is a poorly protected area, since there is no bones that cover them. This feature makes the flanks two ideal areas to attack when the objective is to cause a large percentage of damage with the least possible effort.
In a Fight Between two human beings, whether spontaneous or regulated within the framework of some martial arts competition, the flank is one of the most vulnerable parts, and therefore it must be covered with special attention to the attacks. For this there are different techniques, depending on the discipline, but in general certain fast movements are used with the hands to receive the blows and absorb much of their force before they impact on the side.
If there is the possibility of using armor, it must be especially resistant in the area of the flanks, as well as in the crotch and the head, since they are all parts where wound Severe can cause death more often than in the rest of the body.
On the military ground, flank is the lateral sector of a troop , or the lateral zone that it occupies in a ground . While it's called to at the end of a line that has been deployed, it is known as flank to the region that goes beyond the wing.
As with the human body, the flank of a body of soldiers can also be especially vulnerable if the enemy uses it cunningly. There are a large number of stories of past battles in which it was thanks to attacking the opposing army for one of its sides that the heroes won the victory.
One of the reasons why the flank is more vulnerable than the front goes beyond organic issues, especially in the case of an army of hundreds of soldiers: it is the lack of Attention that we lend to the side the reason that leaves you most unprotected, and this happens because our vision focuses primarily on what takes place in front of us.
The sides of a bulwark or bastion, which form an angle with the front and another with the curtain, are also called flanks.
There is also the verb flank, which is part of the family of this word and can be defined in the following three ways: "be located next to something"; "provide protection to the flanks themselves"; "threaten the sides of enemy , for example, approaching him by one of his flanks with the intention of attacking him. "