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Causes of Head Injuries in Soccer
Pages 3-3

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... Proper heading involves contracting the neck muscles so the head is more rigidly fixed to the trunk of the body and hitting the ball squarely with the forehead near the hairline. Although soccer balls can be kicked to speeds as high as 70 miles per hour, even most professional players cannot kick a ball that fast and most soccer players would not attempt to head a ball moving that fast, Dr.


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