KHALEGHI, Fahimeh; OLYAEI, Gholam Reza; TALEBIAN, Saeed; MALMIR, Kazem; BAGHERI, Hosein; ANSARI, Noureddin Nakhostin; JALAIE, Shohre. Knee Muscle Reciprocal Co-Activation in Patellofemoral Pain Syndrome During Isokinetic Exercise: A Voluntary Response Index Analysis. Journal of Clinical Physiotherapy Research, [S. l.], v. 1, n. 1, p. 6–11, 2016. DOI: 10.22037/jcpr.v1i1.8733. Disponível em: https://journals.sbmu.ac.ir/physiotherapy/article/view/8733. Acesso em: 25 jul. 2026.