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Jersey with numbers
Numbers did not appear on football jerseys until 1916, when the NCAA made a rules change requiring players to wear a number on the back of their jerseys. The rule changed in 1937 to require a number on both the front and back of the jersey. http://www.livestrong.com/article/366006-how-did-the-football-jersey-come-about/#ixzz2JtRlvHt8 -
football pads
Shoulderpads had evolved from thin, round pads in 1930. They were composed primarliy of leather,including leather ties, to adjust the width of the pads.
http://www.livestrong.com/football-pads/ -
plastic helmet
The plastic helmet was patented by John T. Riddell Jr. The single molded shell was stronger, lighter and longer lasting.
http://www.livestrong.com/article/350920-the-history-of-plastic-football-helmets/ -
Astro Turf
A man made synthetic surface used in placed of natural grass. It is mostly used for athletic arenas but is gaining popularity in residential and business areas.
http://www.ehow.com/about-astroturf/ -
Sling shot goalpost
Joel Rottman invented the slingshot goalpost because it was safer and more aesthetically pleasing.
http://articles.sun-sentinel.com/2010-02-05/sports/fl-rottman-goal-post-super-bowl-0205-20100205_1_slingshot-post-orange-bowl -
Football kicking tee
American football placekicking tee for kickoffs and onside kicks.
http://www.google.com/patents/USD507814 -
Skycam
Skycam is a leading designer manurfacturer and operator of noble aerial camera systems. Skycam plays a significantant role in changing the way sports are broadcast.
http://skycam.tv.s28625.gridserver.com/skycam-in-action/' >event. -
Jumbotron scoreboard
It is a large screen television using technology developed by Sony, typically used in sports stadiums to show close up shots of the event. One of the largest Jumbotrons in the world is in Arlington, Texas. It is180 feet wide and 71feet tall.
http://www.thepostgame.com/homepage/201102/we-are-jumbotron-generation -
Cleats
Since 1956 cleat continue to make improvements.. As of 2001 players could order football shoes with cleats in differing lengths.
http://www.livestrong.com/article/376290-original-history-of-football-cleats/ -
chin strap that indicates a concussion
The best chin straps provide injury protection during a variety of sports. Chin straps help hold sports helmets in place and can be made of dual materials that provide a hard exterior. New chin straps have been invented to help alert you that you may have a concussion.
http://www.complex.com/sports/2012/02/new-chin-strap-alerts-you-when-you-get-a-concussion
