signals
Video "A Guide to american football"

Official Football Signals
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Ball ready to play
*Untimed down
Start clock Timeout
Discretionary or injury timeout
(follow by tapping hands on chest)
TV/Radio timeout
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Touchdown, Field Goal
Point(s) after touchdown
Safety Ball dead
Touchback (move to side)
First down
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Loss of down Incomplete forward pass
Penalty declined
No play, no score
Toss option delayed
Legal touching of forward pass
or scrimmage kick
Inadvertet whistle
(face press box)
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Disregard flag End of period Sideline warning Illegal touching or 30 second timeout
First touching (NF)
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Uncatchable forward pass Offside defense or free kick team
Encroachment (NF)
False start
Illegal formation
Encroachment offense
Illegal shift - 2 hands
Illegal motion - 1 hand
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Delay of game Substitution infraction Failure to wear required euquipment Illegal helmet contact
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Unsportmanlike conduct
Noncontact foul
Illegal participation Sideline interference Running into or roughing kicker
or holder
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Illegal batting
Illegal kicking
(followed by pointing toward toe for kicking)
Illegal fair catch signal (NF)
Invalid fair catch signal (NF)
Forward pass interference
Kick-catching interference
Roughing passer
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Illegal pass
Illegal forward handing
Intentional grounding Ineligible downfield on pass Personal foul
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Clipping Blocking below waist
Illegal block
Chop block Holding / Obstructing
Illegal use of hands / arms
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Illegal block in the back Helpin runner
Interlocked blocking
Grasping face mask or helmet opening Tripping
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Player disqualification
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