Zago, Julio, Adriano Drummond, Fellipe Amatuzzi, Tatiana Rondinel, Rogério Queiroz, Leonardo Nascimento, Renan Pivetta, and Gaspar Chiappa. “Heart Rate Changes After Manual Techniques on Cervical Spine: Systematic Review: Cervical Manual Techniques on Heart Rate”. Manual Therapy, Posturology & Rehabilitation Journal 23 (October 30, 2025). Accessed November 4, 2025. https://www.mtprehabjournal.com/revista/article/view/1411.