Lizardo, F.B., Silva, M.A. da, Arantes, F.J., Gregorio, F.C., Santos, F.R.A., Borges, F.F.R., Silva, A.N. and Bigaton, D.R. 2019. Analysis of co-contraction of the trunk muscles in the side bridge stabilization exercise with different unstable surfaces. Bioscience Journal. 35, 2 (Apr. 2019), 640–649. DOI:https://doi.org/10.14393/BJ-v35n2a20198-41833.