Football. Sunday , April 15th , 2018 - 01:55:07 AM
To reduce infighting and dirty play between teams, the neutral zone was created along the width of the football. Scoring was also adjusted: field goals were lowered to three points in 1909 and touchdowns were raised to six points in 1912.The field was also reduced to 100 yards (91 m) long, but two 10-yard-long end zones were created, and teams were given four downs instead of three to advance the ball 10 yards (9.1 m).
However, a study in the Orthopaedic Journal of Sports Medicine found that Heads Up Football was ineffective; the same study noted that more extensive reforms implemented by Pop Warner Little Scholars and its member teams were effective in significantly reducing concussion rates.
The legal forward pass was introduced in 1906, although its impact was initially limited due to the restrictions placed on its use. Other rule changes introduced that year included the reduction of the time of play from 70 to 60 minutes and the increase of the distance required for a first down from 5 to 10 yards (9.1 m).
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