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National Federation 4 Person Mechanics Football . Football Mechanics Criteria . Communication Field Positions Keys & General Mechanics. Mechanics – 4 man . Before Kickoff After Kickoff Basic Scrimmage Position Prior to the Snap Running Plays Passing Plays.

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National federation 4 person mechanics football l.jpg
National Federation 4 Person Mechanics Football

IACAO FB Dec. 2005


Football mechanics criteria l.jpg
Football Mechanics Criteria

  • Communication

  • Field Positions

  • Keys & General Mechanics


Mechanics 4 man l.jpg
Mechanics – 4 man

  • Before Kickoff

  • After Kickoff

  • Basic Scrimmage Position

  • Prior to the Snap

  • Running Plays

  • Passing Plays


Mechanics 4 man cont d l.jpg
Mechanics 4 man (cont’d)

  • Scrimmage Kicks

  • SK’s - Field Goals & Try Attempts

  • SK’s – Field Goals & Try Fakes

  • Goal Line – Inside 10 yard line

  • Measurements


Before kickoff l.jpg
Before Kickoff

LJ

R

Referee

Position near R’s 10-yard line opposite Linesman

Count R Players

Check other officials in position and signal ball ready for play after other officials and kicker ready

U

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Before kickoff6 l.jpg
Before Kickoff

Umpire

Position on R’s 20 yard line opposite Line Judge

Count R Players

Ensure coaches, players, substitutes in proper location

Hold hand in air to inform Referee ready

U

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Before kickoff7 l.jpg
Before Kickoff

Linesman

Position on K free-kick line

Hand ball to kicker and point out Referee. Inform to wait for ready for play signal

Count K Players

Move to sideline with line-to-gain equipment and hold hand in the air to inform Referee ready

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Before kickoff8 l.jpg
Before Kickoff

Line Judge

Position on R’s Free Kick line and identity

Move to side line opposite Linesman

Ensure coaches, players, substitutes and others in proper location

Count K

Hold arm in air to inform Referee ready

LJ

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff l.jpg
After Kickoff

R

LJ

Referee

Deep Kicks, Be ready to rule on touchback or player momentum

Kicks middle or your side, Start Clock when kick is touched (other than first touching by K)

Pick up runner and follow until released to covering official

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff10 l.jpg
After Kickoff

R

Referee

Determine if kick goes out of bounds and flag if not touched by R

Kicks opposite side, move cautiously with play

Observe actions behind play and clean up

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff11 l.jpg
After Kickoff

Umpire

Kicks your side, start clock when kick is touched (other than first touching by K)

Pick up runner and follow until released to Linesman

Once you release runner, observe action behind play

Maintain responsibility for you sideline

U

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff12 l.jpg
After Kickoff

Umpire

Determine if kick goes out of bounds and flag if not touched by R

Kicks opposite side, move cautiously with play

Observe actions behind play and clean up

U

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff13 l.jpg
After Kickoff

Linesman

Watch for free-kick line infractions

Help Line Judge rule on first touching by K prior to R’s free-kick line and bean bag in necessary

Watch initial blocks near R’s free-kick line and blocks on kicker / holder

Administer fouls prior to kickoff

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff14 l.jpg
After Kickoff

Linesman

Kicks to your Side

Move down the sideline to area to best officiate depending on kick keeping spacing with Umpire

Determine if kick goes out of bounds and flag if R has not touched ball

Pick up responsibility for runner from Umpire and follow to goal line

U

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff15 l.jpg
After Kickoff

Linesmen

Kick Opposite side

Move cautiously toward play being ready to rule on your sideline if play reverses

Observe action of player in vicinity of runner and watch for fouls away from the ball

Assist Line Judge with goal line on long runs

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff16 l.jpg
After Kickoff

LJ

Line Judge

Watch for free-kick line infractions

Be Alert for first touching by K prior to R’s free-kick line and bean bag if necessary

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff17 l.jpg
After Kickoff

LJ

R

Line Judge

Kick to your side

Move down sideline while watching for fouls and to area best to officiate depending on the kick, keeping spacing with Referee

Determine if kick goes out of bounds and flag if not touched by R

Pick up responsibility for the runner from Referee and follow to goal line

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


After kickoff18 l.jpg
After Kickoff

LJ

Line Judge

Kick Opposite Side

Move cautiously toward play being ready to rule on your sideline if play reverses

Observe action of player in vicinity of runner and watch for fouls away from the ball

Help Linesman with goal line on long runs

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Basic scrimmage position l.jpg
Basic Scrimmage Position

Referee

A’s backfield 3 to 4 yards behind deepest back on passing arm of Quarterback able to view opposite side tackle

Umpire

3 to 8 yards off ball as to not interfere with vision or movement of defensive backs.

R

U

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Basic scrimmage position20 l.jpg
Basic Scrimmage Position

LJ

Linesman & Line Judge

Start on side line straddling line-of-scrimmage.

R

U

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Prior to snap all plays l.jpg
Prior to Snap (All Plays)

Referee

Declare ball ready-for-play

Count A players

Responsible for 25 second count

Check players set for one second prior to snap.

Watch for snap infractions, illegal shifts, and false starts

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Prior to snap all plays22 l.jpg
Prior to Snap (All Plays)

Umpire

Vary position as to not block view of B players or allow A to use you as interference

Count A Players

Check five players on line numbered 50 to 79

Be ready to rule on snap infractions, false starts, encroachments, disconcerting signals by defense and be aware of B players line up in free blocking zone

U

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Prior to snap all plays23 l.jpg
Prior to Snap (All Plays)

LJ

Linesman & Line Judge

Check down number on box and signal down

Extend arm back to indicate A player closes to you off the line-of-scrimmage

Check to see if all backs, flankers, split ends in legal position and check eligibility

Determine if player in motion movement is legal

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Prior to snap all plays24 l.jpg
Prior to Snap (All Plays)

LJ

Linesman & Line Judge

Check for seven on the line-of-scrimmage

Help in determining false start, encroachment, interference with snap

Count B players and be alert for illegal substitutes

Key off tackle for run / pass

1

2

3

4

5

6

7

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play l.jpg
Running Play

Referee

Key opposite guard / tackle

Responsible for ball carrier and action around him to the neutral zone

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play26 l.jpg
Running Play

Referee

Move behind play toward side of field which plays advances and cover runner until reaching neutral zone or if down near line-of-scrimmage

Watch action behind ball and away from runner, action on quarterback, and backward or forward passes.

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play27 l.jpg
Running Play

Referee

When ball is dead, move to location and signal next down

Help relay ball and assist umpire with spot

If first down, stop clock and signal

Make sure all officials ready to go before signal ball ready for play

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play28 l.jpg
Running Play

Umpire

Read point of attack

Watch line play for illegal action around ball carrier and in free blocking zone

Move accordingly depending play working inside out

Be alert for fumbles beyond neutral zone and help determine who gains possession

After play spot ball

U

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play29 l.jpg
Running Play

Linesman

Action toward you

Work off the field

Observe actions of linemen your side and blockers in front of ball carrier

Pick up responsibility of ball carrier, mark forward progress and stop clock if out of bounds

Follow runner to goal line

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play30 l.jpg
Running Play

Linesman

Action away from you

Move cautiously onto field ready for reverse action

Observe action behind play

Be ready to help with forward progress spot or goal line

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play31 l.jpg
Running Play

LJ

Line Judge

Action toward you

Work off the field

Observe actions of linemen your side and blockers in front of ball carrier

Pick up responsibility of ball carrier, mark forward progress and stop clock if out of bounds

Follow runner to goal line

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Running play32 l.jpg
Running Play

LJ

Line Judge

Action away from you

Move cautiously onto field ready for reverse action

Observe action behind play

Be ready to help with forward progress spot or goal line

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Passing plays l.jpg
Passing Plays

Referee

Key opposite guard / tackle

Watch blocking

Remain wider and deeper than passer

After pass released, verbally alert defenders and observe action on passer not ball

Determine pass forward or backward

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Passing plays34 l.jpg
Passing Plays

Referee

Sole responsibility for intentional grounding, however, can get assistance from covering official

Determine if passer crosses neutral zone

Continue to observe action behind neutral zone before leaving

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Passing plays35 l.jpg
Passing Plays

Umpire

Watch for Illegal contact in free blocking zone

Move to line-of-scrimmage

Observe action of players in and just behind neutral zone

Assist Referee in determining if forward pass released beyond neutral zone

U

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Passing plays36 l.jpg
Passing Plays

Umpire

Know if ball tipped at line-of-scrimmage

Pivot after pass crosses neutral zone and assist on determining catch or no catch

U

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Passing plays37 l.jpg
Passing Plays

LJ

Linesman & Line Judge

Watch initial action off line for defensive holding

Move downfield cautiously on passes to your side and be ready to adjust back for run

Be ready to rule on pass incomplete / complete and interference

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Passing plays38 l.jpg
Passing Plays

Linesman & Line Judge

If ball intercepted, observe action until ball is dead, covering official stop clock and signal first down, if inside defensive 5 yard line, be ready to rule on momentum

If incomplete pass in your area, sound whistle and signal

Be alert for illegal passes

Rule on touching or catching by ineligibles

LJ

R

U

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Scrimmage kick l.jpg
Scrimmage Kick

Referee

Position 3-4 yards in front of kicker, 5-7 yards wide on Line Judge side

Be able to see ball and all backs

Watch for fouls behind neutral zone and roughing / running into kicker

Be alert for blocked kicks and recovery

R

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick40 l.jpg
Scrimmage Kick

Referee

After ball crosses neutral zone, observe line play and move down field slowly

If necessary, determine if ball was touched beyond the neutral zone and by whom

Be ready to pick up runner on long run and continue with him to goal line

R

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick41 l.jpg
Scrimmage Kick

LJ

Referee

If ball kicked out of bounds in flight, assist the covering official with spot

In no foul, signal linesmen and line-to-gain equipment into position for next play

Make sure all officials ready prior to giving ready-for-play signal

R

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick42 l.jpg
Scrimmage Kick

Umpire

Position 4 to 7 yards deep, keeping ball in view

Check numbering exceptions

After snap, step toward neutral zone watching for possible roughing of snapper, then shift to blocking action

U

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick43 l.jpg
Scrimmage Kick

Umpire

Determine if kick crosses neutral zone

Assist Referee with short or blocked kicks

Once kick crosses neutral zone, pivot and observe blocks downfield and players away from ball

U

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick44 l.jpg
Scrimmage Kick

Lineman

Cover kicks to your side of field

If out of bounds in flight, move past were ball went out and walk forward until Referee spots you

Grounded kicks out of bounds, mark spot and observe action

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick45 l.jpg
Scrimmage Kick

Lineman

Help Referee with short or blocked kicks and note spot of recovery

Bean bag spot of first touching and end of kick

Be ready for fair catch and blow whistle only after kick is secured

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick46 l.jpg
Scrimmage Kick

Lineman

Routine kick, move downfield cautiously observer action in front of ball carrier

Move with runner to your sideline and follow until goal line

Only move line to gain equipment when sure no foul on play and signaled by Referee

H

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick47 l.jpg
Scrimmage Kick

LJ

Line Judge

Position 7 to 10 yards in front of deepest receiver and in position to cover sideline

Carry bean bag in hand

Be ready to rule on momentum inside 5 yard line

Observe initial action around receiver

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick48 l.jpg
Scrimmage Kick

LJ

Line Judge

Drop Bean Bag to mark end of kick

Maintain responsibility of ball carrier on returns up the middle and to your side until released to other official

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick49 l.jpg
Scrimmage Kick

LJ

Line Judge

If out of bounds in flight, move past were ball went out and walk forward until Referee spots you

Grounded kicks out of bounds, mark spot and observe action

Returns to Linesman side, move slowly behind play observe all action

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Scrimmage kick50 l.jpg
Scrimmage Kick

LJ

Line Judge

If K first to touch, mark spot of first touching with bean bag

If fair catch is signaled, sound whistle after kick is complete, and mark spot

Be ready for muff

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G

G 1 0 2 0 3 0 4 0 5 0 4 0 3 0 2 0 1 0 G


Field goal and try attempts l.jpg
Field Goal and Try Attempts

Referee

Position 1 yard behind and 2 to 3 yards to side of kicker able to see kicker and holder

Rule on motion of backs

Be ready for fumble or fake

After kick, move behind kicker to Judge whether ball goes between uprights

If Try is blocked, sound whistle, Field Goal, ball is live

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Field goal and try attempts52 l.jpg
Field Goal and Try Attempts

Umpire

Position 5 to 7 yards deep keeping ball in view and checking numbering exceptions

After snap, step toward neutral zone watching for roughing the snapper

After kick crosses neutral zone, pivot to line judge side and assist with coverage

U

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Field goal and try attempts53 l.jpg
Field Goal and Try Attempts

Linesman

Position on line-of-scrimmage

Watch line play and for Roughing the Holder of Kicker

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Field goal and try attempts54 l.jpg
Field Goal and Try Attempts

Line Judge

Position on line-of-scrimmage

Handle same as any goal line play

After snap, move towards end line and determine if ball clears cross bar

Sound whistle when ball crosses plane of end zone

If unsuccessful, signal no score

If field goal attempt, signal touchback

LJ

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Field goal and try attempts55 l.jpg
Field Goal and Try Attempts

Referee

Outside 15 yards

Move to side vacated by line judge

Responsible for kicker and holder

Cover as scrimmage kick

R

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Field goal and try attempts56 l.jpg
Field Goal and Try Attempts

Umpire and Linesman

Outside 15 yards

Cover same as scrimmage kick

U

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Field goal and try attempts57 l.jpg
Field Goal and Try Attempts

Line Judge Outside 15 yards

Position under uprights

Sound whistle when ball crosses plane of end zone and rule on kick

If successful signal score

If unsuccessful, signal no score and if field goal attempt, signal touchback

If field goal does not cross plane, move to sideline and handle as scrimmage kick

LJ

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Goal line plays inside 10 yards l.jpg
Goal-Line Plays (Inside 10 yards)

LJ

Referee

Same Coverage as Running and Passing Plays

Umpire

Move up to goal line, be ready to move to end line if necessary on pass

Linesman

Move to goal line and work back on play

R

U

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Goal line plays inside 10 yards59 l.jpg
Goal-Line Plays (Inside 10 yards)

LJ

All Officials

ONLY signal Touchdown if you see ball cross goal line (primary coverage is wing officials – U should communicate to make sure wing officials do not have play over in FOP!)

Do NOT mirror signal

Communicate on dual coverage areas

R

U

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


Measurement l.jpg
Measurement

Line Judge

Align Linesman up with line and ball

Linesman

Walk chains out, place clip on line and hold

Umpire

After Linesman ready, pull chain

Referee

Hold ball and determine if ball across line-to-gain

U

LJ

R

H

G 1 0 2 0 3 0

G 1 0 2 0 3 0


4 person football mechanics l.jpg
4 Person Football Mechanics

  • Presentation Prepared for the IHSA by:

    • Tim Kiefer

  • Edited by:

    • Octavio Herrera


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