Definitions of Square Dance Calls and Concepts
 
Definitions of Square Dance Calls and Concepts
 
 

From a Generalized 1/4 Tag in which the Very Centers are directly facing an outside dancer.

  1. Very Centers and directly-facing outside dancers Pass Thru;
  2. Center 4 Cast Off 1/4 and Roll and Spread to become Ends of Lines as the Others Cross Concentric Vertical 1/2 Tag;
  3. all Counter Rotate 1/4.

Ends in Parallel Lines.This is a 3-part call.

     
before
Nuclear Reaction
 after
Those Facing Pass Thru
 after
Centers Cast Off 1/4 & Roll & Spread
as Ends Cross Concentric Vertical 1/2 Tag
 after
Counter Rotate 1/4
(done)

Notes:

Cross Nuclear Reaction [C3B] (Lee Kopman 1988): Same as Nuclear Reaction except that the Very Centers Diagonal Pass Thru with the diagonally-facing outside dancers.

     
before
Cross Nuclear Reaction
 after
Very Centers and diagonally-facing Outside dancers Jay Walk
 after
Centers Cast Off 1/4 & Roll & Spread
as Ends Cross Concentric Vertical 1/2 Tag
 after
Counter Rotate 1/4
(done)

Those doing the Pass Thru (or Diagonal Pass Thru) should point at each other before moving as in Chain Reaction.

anything (Cross) Nuclear Reaction [C3B]: Do the anything call leaving off the final Extend, then do a full (Cross) Nuclear Reaction. The anything call is usually a Scoot Back variation of a Tagging call.

See also anything Reaction [C3A].

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