Developing and assessing the measurement properties of an instrument to assess the impact of musculoskeletal pain in children aged 9 to 12¿the pediatric musculoskeletal pain impact summary score Priscilla Viana da Silva; Steven J. Kamper; Alix Hall; Tie P. Yamato; Lise Hestbaek; Henrik H. Lauridsen; Christopher M. Williams;

Preliminary evidence of an association between spontaneous kicking and learning in infants between 3¿4 months of age Chao-Ying Chen; Toni Harrison; Mike McNally; Jill C. Heathcock;

Cervical flexion posture during smartphone use was not a risk factor for neck pain, but low sleep quality and insufficient levels of physical activity were. A longitudinal investigation Igor Macedo Tavares Correia; Arthur de Sá Ferreira; Jessica Fernandez Mosqueira Gomes; Felipe José Jandre Reis; Leandro Alberto Calazans Nogueira; Ney Meziat-Filho;