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National Federation of State High School Associations BASKETBALL THREE OFFICIALS’ MECHANICS

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National Federation of State High School Associations BASKETBALL THREE OFFICIALS’ MECHANICS. Three-Person Mechanics. Terminology Pregame Jump Ball Areas of Coverage Rotations Throw-ins. Fouls & Switching Free Throws Time-outs & Intermission Last Second Shot. Terminology. Rotation

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slide1

National Federation of State High School Associations

BASKETBALL

THREE OFFICIALS’ MECHANICS

three person mechanics
Three-Person Mechanics
  • Terminology
  • Pregame
  • Jump Ball
  • Areas of Coverage
  • Rotations
  • Throw-ins
  • Fouls & Switching
  • Free Throws
  • Time-outs & Intermission
  • Last Second Shot

NFHS Three Officials' Mechanics

terminology
Terminology
  • Rotation
  • Switch
  • L Official
  • C Official
  • T Official
  • Close Down
  • Ball Side
  • Strong Side
  • Weak Side
  • Tableside
  • Opposite Side

NFHS Three Officials' Mechanics

pregame positions
Pregame Positions
  • U1 observes home team warm-up
  • U2 observes visiting team warm-up

NFHS Three Officials' Mechanics

jump ball
Jump Ball
  • U1 chops clock, watches jumpers
  • U2 watches eight non-jumpers
  • U1 & U2 mindful of quick 3-pt attempt and over/back

NFHS Three Officials' Mechanics

jump ball1
Jump Ball

Ball goes right

Ball goes left

  • R always goes into T position

NFHS Three Officials' Mechanics

primary coverage areas
Primary Coverage Areas
  • Both C and T should close down on shots.

NFHS Three Officials' Mechanics

line coverage
Line Coverage
  • Lead has entire end line
  • C has closest sideline
  • T has closest sideline, division line, and far end line
  • Call only your line

NFHS Three Officials' Mechanics

inbounds coverage
Inbounds Coverage

NFHS Three Officials' Mechanics

coverage on transition
Coverage on Transition

NFHS Three Officials' Mechanics

shot rebound coverage
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

NFHS Three Officials' Mechanics

shot rebound coverage1
Shot & Rebound Coverage

NFHS Three Officials' Mechanics

three point shot coverage
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

NFHS Three Officials' Mechanics

rotation sequence
Rotation Sequence
  • L goes to ball-side, T closes down, C completes rotation (last to rotate)

NFHS Three Officials' Mechanics

rotation cues
Rotation Cues
  • L 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 lane
  • If 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

NFHS Three Officials' Mechanics

transition coverage after rotation
Transition Coverage After Rotation

NFHS Three Officials' Mechanics

throw in cues
Throw-In Cues
  • L 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)

NFHS Three Officials' Mechanics

end line throw ins in the frontcourt
End Line Throw-Ins in the Frontcourt
  • L may administer throw-ins on either side of player when staying in frontcourt

NFHS Three Officials' Mechanics

sideline throw ins in the backcourt
Sideline Throw-Ins in the Backcourt
  • T handles all throw-ins in the backcourt, regardless of location (“bump and run,” if necessary)

NFHS Three Officials' Mechanics

end line throw ins in the backcourt
End Line Throw-Ins in the Backcourt
  • If no pressure, C and L may go to home locations.

NFHS Three Officials' Mechanics

press coverage
Press Coverage
  • C stays in backcourt
  • L should have deepest player in front and boxed-in

NFHS Three Officials' Mechanics

foul reporting
Foul Reporting

NFHS Three Officials' Mechanics

fouls basic switching
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

NFHS Three Officials' Mechanics

fouls basic switching1
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

NFHS Three Officials' Mechanics

disqualification procedure
Disqualification Procedure
  • New table side (Center or Trail) official:
    • notifies coach
    • requests timer to begin 30-second replacement interval
    • notifies disqualified player

NFHS Three Officials' Mechanics

disqualification procedure1
Disqualification Procedure

Officials not administering disqualification position for subsequent throw-in or free throw

Administering official takes a position on division line half way between center circle and sideline nearest table to administer substitution

NFHS Three Officials' Mechanics

foul reporting switching
Foul Reporting & Switching

Stayingin the frontcourt

  • Important for all officials to designate throw-in spot

NFHS Three Officials' Mechanics

foul reporting switching1
Foul Reporting & Switching

Backcourt to frontcourt - no free throws

  • L calls foul opposite, reports and returns to administer throw-in as new T
  • Old T becomes new L
  • C remains C

NFHS Three Officials' Mechanics

foul reporting switching2
Foul Reporting & Switching

Backcourt to frontcourt - no free throws

  • 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

NFHS Three Officials' Mechanics

free throws
Free Throws
  • Calling official becomes T
  • L administers all free throws
  • C and T should close down on last shot attempt

NFHS Three Officials' Mechanics

time outs intermissions
Time-outs & Intermissions

NFHS Three Officials' Mechanics

last second shot
Last Second Shot
  • C or T – Opposite table official is responsible
  • L may need to offer assistance or be responsible if on fast break
  • Responsible official should communicate with partners that he/she has the last second shot (discussed during pre-game)

NFHS Three Officials' Mechanics