Headbanging is a type of dance which involves violently shaking the head in time with music, most commonly rock music and heavy metal. Reportedly the term was coined during Led Zeppelin's first US tour in 1969. Australian researchers (reported in BMJ) who investigated headbanging at music concerts, reported that mild traumatic brain injury or neck injury can occur when the tempo of the song is about 146 beats per minute and the range of motion is greater than 75 degrees.

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