Which psychosocial factors are related to severe pain and functional limitation in patients with low back pain? Leticia Amaral Corrêa, Stephanie Mathieson, Ney Armando de Mello Meziat-Filho, Felipe José Reis, Arthur de Sá Ferreira, Leandro Alberto Calazans Nogueira

Low back pain and some associated factors: is there any difference between genders? Thiago Paulo Frascareli Bento, Caio Vitor dos Santos Genebra, Nicoly Machado Maciel, Guilherme Porfírio Cornelio, Sandra Fiorelli Almeida Penteado Simeão, Alberto de Vitta

Social isolation as a risk factor for neck and low back pain: a cotwin design Natália Christina Moura Alves, Amabile Borges Dario, Paulo Henrique Ferreira, Lucas Calais Ferreira, Vinícius Cunha Oliveira