ソースを表示

In American football, each and every workforce has eleven players for the area at just one time. The specific purpose that a participant requires for the subject is called their placement. Beneath the current policies of American football, groups are allowed infinite subsititutions, that may be groups can switch any range of people following any perform. This has led to the progress of 3 "platoons" of players, the offense (the team together with the ball, that is seeking to rating), the defense (the team looking to forestall one other staff from scoring, and also to just take the ball from them), and the specific groups (who perform in kicking scenarios). Inside of those people platoons, an assortment of exact positions exist depending on what the player's principal profession is.

Offense

In American football, the offense would be the aspect that is certainly in possession on the ball. It can be their employment to advance the ball towards the opponent's end zone to score factors. Broadly talking, the eleven people belonging to the offense are broken into two teams: the five offensive linemen, whose major work will be to block, in addition to the six backs and receivers whose essential position is advance the ball through either functioning aided by the ball or passing it. The backs and receivers can also be traditionally known as ability placement players or as suitable ball carriers (offensive linemen usually are not usually eligible to advance the ball during engage in).

The group of your offense is strictly mandated from the rules, there must always be just 7 players about the line of scrimmage and specifically 4 gamers (identified collectively as "backs") behind it on each and every engage in. The one people eligible to handle the ball through a traditional participate in would be the four backs plus the two people to the end from the line. The remaining 5 people (referred to as "interior linemen") are regarded as "ineligible", and will only block. Inside these strictures, although, artistic coaches have produced a wide array of offensive formations to consider benefit of totally different participant abilities and match situations.

The next positions are standard in practically every last recreation, despite the fact that many different groups will use alternative preparations of them.
Offensive line
The offensive line (on left, in orange shirts) is composed of the center (with ball in hand) two guards on possibly facet of him, and two tackles.

The offensive line is largely liable for blocking. While in usual engage in, offensive linemen usually do not manage the ball, except the ball is fumbled by a ball provider, or any time a player that is typically an offensive lineman takes a distinct place on the area. The offensive line is composed of:

Center (C)
The center will be the participant who commences the play from scrimmage by snapping the ball to some back. Because the identify suggests, the center more often than not performs around the middle with the offensive line, although some groups possibly will hire an unbalanced line in which the center is offset to 1 aspect or one additional. Like all offensive lineman, the center has the liability to block defensive people. The center very often also has the accountability to simply call out blocking assignments and make very last second adjustments dependent over the defensive alignment.

Offensive guard (G)
Two guards line up precisely on both aspect for the center. Like all interior linemen, their operate is to always block on both of those working and passing plays. On some plays, quite than blocking straight ahead, a guard will "pull", whereby the guard happens out of his placement in line to steer obstruct for the ball carrier, on performs called "traps" (for inside runs), or "sweeps" (for outside runs), or "screens" (for passing plays)

Offensive tackle (T)
Two tackles engage in outside belonging to the guards. Their part is principally to dam on both operating and passing plays. The area from a person tackle to your other is really an space of "close line play" by which blocks from powering, that are prohibited somewhere else within the discipline, are allowed. For just a right-handed quarterback, the left tackle is charged with defending the quarterback from remaining strike from driving (recognized as his "blind side"), which is usually just about the most proficient player to the offensive line. Like a guard, the tackle could possibly have to "pull," on a managing perform, when there may be a tight end on his facet. 

Defense

The defensive crew or defense is the crew that starts a perform from scrimmage not in possession of the ball. The object on the defensive crew is always to reduce another staff from scoring. The defense accomplishes this by forcing the offense to turn the ball over, either by stopping them from obtaining a primary down and forcing a punt, or by forcing the offense to fumble or throw an interception.

As opposed to the offensive crew, the guidelines tend not to prohibit the defensive team into specified positions. A defensive participant may well line up anywhere on his aspect in the line of scrimmage and complete any legal action. In excess of time, then again, defensive roles have become defined into three foremost sets of players, and many unique positions.

Defensive line
The four defensive linemen (in red) have their palms over the ground inside of a "three level stance".

Like their offensive counterparts, defensive linemen line up precisely on the line of scrimmage, near to your ball. There's two positions in most cases deemed piece belonging to the defensive line:

Defensive tackle (DT);
Often labeled as a defensive guard, defensive tackles engage in in the center with the defensive line. Their purpose will be to hurry the passer (whenever they could possibly get previous the offensive linemen blocking them), and discontinue operating plays directed with the middle of your line of scrimmage. A defensive tackle who lines up directly across in the ball (and thus is almost nose-to-nose when using the offense's center) is frequently termed a nose tackle or nose guard. The nose tackle is most typical inside the 3-4 defense. Most defensive sets have from just one to 2 defensive tackles. Sometimes, but not in many cases, a group will make use of three defensive tackles.

Defensive end (DE)
The two defensive ends perform next to the defensive tackles, for the edges from the defensive line. Their operate may be to attack the passer or discontinue offensive runs for the outer edges in the line of scrimmage (most frequently known as "containment"). The swifter of the two is frequently placed for the perfect aspect belonging to the defensive line (quarterback's left) simply because that may be a right-handed quarterback's blind facet.

Typically, although not invariably, a defensive lineman can have his "hand(s) within the floor," inside a three- or four-point stance prior to the ball is snapped; this distinguishes his pre-snap stance from a linebacker, who commences inside a two-point stance (i.e. devoid of a hand touching the ground).
Linebackers
This defense (in white) is in a base 4-3 set. Just powering the 4 defensive linemen (whose fingers are within the ground) are three linebackers (numbers fifty five, three &16), and further back are two safeties (numbers 24 & 44). Out-of-frame would be the two cornerbacks.

Linebackers enjoy driving the defensive line and carry out countless duties based within the situation, including rushing the passer, covering receivers, and defending against the run.

Middle linebacker (MLB)
Usually known as the "inside linebacker" (especially in a very 3-4 defense), and known colloquially as being the "Mike" linebacker, the middle linebacker is often also known as the "quarterback within the defense", as they are frequently the primary defensive perform callers and needs to react to some extensive variety of cases. Middle linebackers has to be capable of stopping functioning backs who make it previous the defensive line, covering pass performs more than the middle, and rushing the quarterback on blitz plays.

Outside linebacker (OLB)
Outside linebackers are given many different names based on their purpose together with the philosophy in the crew. Some groups keep their outside linebackers in the same side for the subject at all times, and thus they are referred to as "right outside" (ROLB) and "left outside" (LOLB). Some groups define them by their role; as playing either "strongside (SLB) or "weakside" (WLB). The strongside, or "Sam", linebacker lines up for the same aspect as the offensive restricted end and usually is accountable for covering the restricted end or operating again on pass performs. The weakside, or "Will", linebacker lines up to the facet on the offensive line while not a decent end, and is frequently used to hurry, or blitz the quarterback, or will probably need to cover a running back again on pass performs.

Article by [http://www.redzoneblocking.com football skills chicago
]

For more info [http://www.youtube.com/redzoneblocking offensive lineman football workout chicago suburbs]