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#1 Posted : 05 July 2018 08:40:44(UTC)
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NEW YORK (AP) A video review of 459 reported concussions sustained during the past two NFL seasons has found far more occurred on passing plays than any other plays.

Yet quarterbacks ranked at the bottom of the list Authentic Jeremy Kerley Jersey , ahead of only kickers, having suffered 5 percent of those concussions.

Of course, only one quarterback is on the field at a time. Positions in which multiple players are in action at the same time, cornerback and wide receiver, led the list of frequency at 22 percent and 15 percent, respectively.

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Nearly half of the 459 concussions (44 percent) were on passes, while 30 percent were on running plays Authentic Matt Garza Jersey , 21 percent on punt or kickoff returns, 4 percent on sacks and 1 percent on field goal attempts.

The side of the helmet was the most common impact location at more than 50 percent, while 41 percent of concussions were experienced by a player tackling an opponent rather than by the player being tackled or by someone who was blocking.

A higher percentage of helmet-to-body blows, 45 percent, caused concussions. Also on the rise were helmet-to-ground impacts at 19 percent. Helmet-to-helmet blows actually decreased to 36 percent.

The review was overseen by Dr. Jeff Crandall, chairman of the NFL’s Engineering Committee and director of the Center for Applied Biomechanics at the University of Virginia.

”We’ve seen a shift,” Crandall said regarding helmet-to-helmet hits. ”Fifteen to 20 years ago we would have found a much higher relative percentage of helmet to helmet Seahawks Alex McGough Jersey , as much 70 percent. Through a number of changes in rules it has altered how the game is played and reduced helmet-to-helmet hits.

”We see that helmet to shoulder and ground are larger percentages.”

The data will help in testing and evaluating helmets and other equipment. The numbers are shared with all concerned parties, from the players to coaches, doctors, trainers, equipment designers, researchers and manufacturers. Crandall said the information will be available to other levels of football and to other sports.

The video review is one component in the NFL’s $60 million ”Engineering Roadmap” designed to improve the understanding of the biomechanics of head injuries in the sport. Crandall emphasizes the need to create incentives for innovators to develop new and improved protective equipment.

One portion of data that Crandall found particularly enlightening was the frequency of impacts to the back of the helmet (35 percent). He noted that many of those were to quarterbacks, who are most vulnerable to falling backward when hit or sacked.

”After you look at the impact source Steelers Mason Rudolph Jersey , you break it down by different locations of the helmet … where would you be impacted on helmet,” he said. ”Quarterbacks in particular, it was 50 percent and highest of any position, those hits coming from head-to-ground impacts. About 80 percent of those are to the upper rear of the helmet.

”This is such a large concentration of what we are seeing from quarterback hits, which leads us to: Is there a design opportunity here? Let’s put this out to entrepreneurs and designers and manufacturers and see what they can come up with for counter measures.”

Like many other physicians and scientists involved in concussion research, Crandall is eager to explore the worthiness of position-specific helmets. That has become a hot topic in the industry.

”We think it is an opportunity we can draft forward,” he said. ”we’re going to study later with sensors and reconstructions to determine the severity Cheap Russell Bodine Jersey , the locations, the impact sources. If you can think of tailoring or customizing a helmet for those particular impacts and injuries, that’s is an opportunity.”



For more NFL coverage: http://www.pro32.ap.org and http://www.twitter.com/AP-NFL

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