Baptista da Silva, J., Pinto de Castro, J.B., Borba-Pinheiro, C.J., Moraes Ribeiro, G., Braga de Mello, D. and Gomes de Souza Vale, R. 2021. Knee alignment with and without implements in leg press and squat exercises: a systematic review. International Journal of Physical Education, Fitness and Sports. 10, 2 (Apr. 2021), 1–9. DOI:https://doi.org/10.34256/IJPEFS2121.