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Biomechanics and injury risk of a headbutt - Springer - http://t.co/WOI80vr1 cc @EarthyW @tomkastle
Biomechanics and injury risk of a headbutt - Springer - http://t.co/WOI80vr1 cc @EarthyW @tomkastle
Headbutt research: "A soccer ball was used as a surrogate of the stationary victim’s head" MT @hannahjwaters http://t.co/jYjVRzBw
RT @hannahjwaters: Biomechanics and injury risk of a headbutt http://t.co/hfBwOzhx
Biomechanics and injury risk of a headbutt http://t.co/hfBwOzhx