Rule 7 – Section 1 – Article 5 – Defensive Team Requirements
The defensive team requirements are as follows:
a. Each of the following (1-5) is a dead-ball foul. Officials should blow the whistle and not allow the play to continue. After the ball is ready for play and before the ball is snapped:
- Player(s) aligned in a stationary position within one yard of the line of scrimmage may not make quick, abrupt or exaggerated actions that are not part of normal defensive player movement. (A.R. 7-1-5:IV)