Football helmets not that effective in preventing concussion

Feb. 19, 2014 at 2:12 AM
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PORT SAINT LUCIE, Fla., Feb. 19 (UPI) -- Student football helmets reduced the risk of traumatic brain injury by only 20 percent, on average, compared to not wearing a helmet, U.S. researchers say.

Dr. Frank Conidi, director of the Florida Center for Headache and Sports Neurology and Assistant Clinical Professor of Neurology at Florida State University College of Medicine in Port Saint Lucie, and colleagues modified the standard drop test system, approved by the National Operating Committee on Standards for Athletic Equipment, that tests impacts and helmet safety.

Sensors were also placed in the dummy's head to measure linear and rotational responses to repeated 12 mile-per-hour impacts.

The scientists conducted 330 tests to measure how well 10 popular football helmet designs protected against traumatic brain injury, including: Adams a2000, Rawlings Quantum, Riddell 360, Riddell Revolution, Riddell Revolution Speed, Riddell VSR4, Schutt Air Advantage, Schutt DNA Pro+, Xenith X1 and Xenith X2.

"Alarmingly, those that offered the least protection are among the most popular on the field," Conidi said in a statement. "Biomechanics researchers have long understood that rotational forces, not linear forces, are responsible for serious brain damage including concussion, brain injury complications and brain bleeds. Yet generations of football and other sports participants have been under the assumption that their brains are protected by their investment in headwear protection."

The study found that football helmets, on average, reduced the risk of traumatic brain injury by 20 percent compared to not wearing a helmet.

Of the 10 helmet brands tested, the Adams a2000 provided the best protection against concussion and the Schutt Air Advantage the worst. However, overall, the Riddell 360 provided the most protection against closed head injury and the Adams a2000 the least, despite rating the best against concussion, the study said.

The study also found football helmets provided protection from linear impacts, or those leading to bruising and skull fracture. Compared to tests using dummies with no helmets, leading football helmets reduced the risk of skull fracture by 60 percent to 70 percent and reduced the risk of focal brain tissue bruising by 70 percent to 80 percent, the researchers said.

Conidi is scheduled to present the findings at the American Academy of Neurology's 66th annual meeting in Philadelphia.

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