摘要: Sir: I read with interest the article by León-Carrión et al.[1] in Brain Injury, titled ‘The locked-in syndrome: a syndrome looking for a therapy’. This article cited a particular study [2] which inappropriately used the term ‘chiropractic manipulation’to describe cervical spine manipulation done by other practitioners. The study by Hufnagel et al.[2] was one of three studies cited by León-Carrión et al.[1] in their section titled ‘Cervical spine manipulation and LIS’to make their point that ‘Patients with cervical vertebral column syndromes should receive chiropractic treatment only after careful diagnosis’.A careful review of the methods section of the Hufnagel et al.[2] article reveals that, of the 10 patients involved in receiving the ‘chiropractic maneouvre type’of manipulations, seven patients were manipulated by orthopedists, a physiotherapist in one instance and health practitioners who were not physicians in two cases. Not a …