An observational study comparing headbanging to non-headbanging teenagers in a dance marathon concluded that the activity is associated with pain in varying parts of the body, most notably the neck, where it manifests as whiplash.
ɐn ɑːbzɚvˈeɪʃənəl stˈʌdi kəmpˈɛɹɪŋ hˈɛdbæŋɪŋ tə nˈɑːnhˈɛdbæŋɪŋ tˈiːneɪdʒɚz ɪn ɐ dˈæns mˈæɹəθˌɑːn kəŋklˈuːdᵻd ðætðɪ æktˈɪvᵻɾi ɪz ɐsˈoʊsɪˌeɪɾᵻd wɪð pˈeɪn ɪn vˈɛɹiɪŋ pˈɑːɹts ʌvðə bˈɑːdi, mˈoʊst nˈoʊɾəbli ðə nˈɛk, wˌɛɹ ɪt mˈænɪfˌɛsts æz wˈɪplæʃ.