Khaleghi, Fahimeh, Gholam Reza Olyaei, Saeed Talebian, Kazem Malmir, Hosein Bagheri, Noureddin Nakhostin Ansari, and Shohre Jalaie. “Knee Muscle Reciprocal Co-Activation in Patellofemoral Pain Syndrome During Isokinetic Exercise: A Voluntary Response Index Analysis”. Journal of Clinical Physiotherapy Research 1, no. 1 (July 31, 2016): 6–11. Accessed April 26, 2024. https://journals.sbmu.ac.ir/physiotherapy/article/view/8733.