Injury Prevention for Basketball Officials River Valley Health.
National Federation of State High School Associations BASKETBALL THREE OFFICIALS’ MECHANICS.
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Transcript of National Federation of State High School Associations BASKETBALL THREE OFFICIALS’ MECHANICS.
![Page 1: National Federation of State High School Associations BASKETBALL THREE OFFICIALS’ MECHANICS.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649efc5503460f94c0fb99/html5/thumbnails/1.jpg)
National Federation of State High School
Associations
BASKETBALL
THREE OFFICIALS’ MECHANICS
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July, 2005NFHS Three Officials'
Mechanics2
Three-Person Mechanics
• Terminology• Pregame • Jump Ball• Areas of
Coverage• Rotations• Throw-ins
• Terminology• Pregame • Jump Ball• Areas of
Coverage• Rotations• Throw-ins
• Fouls & Switching
• Free Throws• Time-outs &
Intermission• Last Second
Shot
• Fouls & Switching
• Free Throws• Time-outs &
Intermission• Last Second
Shot
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July, 2005NFHS Three Officials'
Mechanics3
Terminology
• Rotation• Switch• L Official • C Official• T Official
• Rotation• Switch• L Official • C Official• T Official
• Close Down• Ball Side• Strong Side• Weak Side• Tableside • Opposite
Side
• Close Down• Ball Side• Strong Side• Weak Side• Tableside • Opposite
Side
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July, 2005NFHS Three Officials'
Mechanics4
Pregame Positions
U1 observes home team warm-up
U2 observes visiting team warm-up
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July, 2005NFHS Three Officials'
Mechanics5
Jump BallU1 chops
clock, watches jumpers
U2 watches eight non-jumpers
U1 & U2 mindful of quick 3-pt attempt and over/back
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July, 2005NFHS Three Officials'
Mechanics6
Jump Ball
R always goes into T position
Ball goes left Ball goes right
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July, 2005NFHS Three Officials'
Mechanics7
Primary Coverage Areas
Both C and T should close down on shots.
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July, 2005NFHS Three Officials'
Mechanics8
Line CoverageLead has entire
end lineC has closest
sidelineT has closest
sideline, division line, and far end line
Call only your line
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July, 2005NFHS Three Officials'
Mechanics9
Inbounds Coverage
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July, 2005NFHS Three Officials'
Mechanics10
Coverage on Transition
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July, 2005NFHS Three Officials'
Mechanics11
Shot & Rebound Coverage
Lead should not be positioned within lane lines
Both C and T should close down on shots
C is primarily responsible for weak side rebounding
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July, 2005NFHS Three Officials'
Mechanics12
Shot & Rebound Coverage
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July, 2005NFHS Three Officials'
Mechanics13
Three-Point Shot Coverage
If both C and T indicate the 3-pt attempt, T should referee the defense on the shooter and stay with the shot; C should release and cover rebounding
C/T should mirror the other official’s “good” signal
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July, 2005NFHS Three Officials'
Mechanics14
Rotation Sequence
L goes to ball-side, T closes down, C completes rotation (last to rotate)
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July, 2005NFHS Three Officials'
Mechanics15
Rotation CuesL dictates rotation (don’t stay in lane)Better to have two C’s than two T’s
(this is why C is last to rotate)L must officiate play in the post, even
while moving across the laneIf the L begins to rotate and the ball is
quickly reversed or a quick shot is taken, the L does not have to complete the rotation
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July, 2005NFHS Three Officials'
Mechanics16
Transition Coverage After
Rotation
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July, 2005NFHS Three Officials'
Mechanics17
Throw-In CuesL may administer throw-ins on either
side of player when staying in frontcourt
T handles all throw-ins in the backcourt, regardless of location (“bump and run,” if necessary)
T may bounce any sideline or end line throw-in (may depend on defensive pressure)
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July, 2005NFHS Three Officials'
Mechanics18
End Line Throw-Ins in the Frontcourt
L may administer throw-ins on either side of player when staying in frontcourt
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July, 2005NFHS Three Officials'
Mechanics19
Sideline Throw-Ins in the Backcourt
T handles all throw-ins in the backcourt, regardless of location (“bump and run,” if necessary)
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July, 2005NFHS Three Officials'
Mechanics20
End Line Throw-Ins in the Backcourt
If no pressure, C and L may go to home locations.
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July, 2005NFHS Three Officials'
Mechanics21
Press Coverage
C stays in backcourt
L should have deepest player in front and boxed-in
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July, 2005NFHS Three Officials'
Mechanics22
Foul Reporting
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July, 2005NFHS Three Officials'
Mechanics23
Fouls & Basic Switching
Non-calling officials should observe all players
Calling official goes table side after reporting
Official originally table side fills the vacancy left by the calling official
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July, 2005NFHS Three Officials'
Mechanics24
Fouls & Basic Switching
Third official remains in the same position occupied at time of foul
If calling official was table side, no switch occurs
No long switch on fouls called in the backcourt without free throws
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July, 2005NFHS Three Officials'
Mechanics25
Disqualification Procedure
1.New table side (Center or Trail) official: notifies coach requests timer to begin 30-
second replacement interval notifies disqualified player
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July, 2005NFHS Three Officials'
Mechanics26
Disqualification Procedure
2.Officials not administering disqualification position for subsequent throw-in or free throw
3.Administering official takes a position on division line half way between center circle and sideline nearest table to administer substitution
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July, 2005NFHS Three Officials'
Mechanics27
Foul Reporting & Switching
Important for all officials to designate throw-in spot
Staying in the frontcourt
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July, 2005NFHS Three Officials'
Mechanics28
L calls foul opposite, reports and returns to administer throw-in as new T
Old T becomes new L
C remains C
Backcourt to frontcourt - no free throws
Foul Reporting & Switching
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July, 2005NFHS Three Officials'
Mechanics29
Foul Reporting & Switching
C calls foul, reports and slides down to become new L
Old T becomes new C
L goes to sideline to administer throw-in and becomes new T
Backcourt to frontcourt - no free throws
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July, 2005NFHS Three Officials'
Mechanics30
Free Throws
Calling official becomes T
L administers all free throws
C and T should close down on last shot attempt
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July, 2005NFHS Three Officials'
Mechanics31
Time-outs & Intermissions
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July, 2005NFHS Three Officials'
Mechanics32
Last Second ShotC or T – Opposite table official is
responsible L may need to offer assistance or
be responsible if on fast breakResponsible official should
communicate with partners that he/she has the last second shot (discussed during pre-game)
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QUESTIONS?