IRCT20200516047459N3 IRCT 2020-11-02 Esfahan University of Medical Sciences Effect of rocker shoes on balance and gait parameters in subjects with multiple sclerosis Immediate effect of rocker shoes on balance and temporo-spatial parameters of gait in subjects with multiple sclerosis with drop foot, volunteer for using flexible ankle orthosis 2020-06-21 anticipated 10 Complete https://irct.ir/trial/51015 interventional Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Treatment. N/A Multiple Sclerosis. In this study, 10 subjects walk on a path 13 meters long and 3 meters wide at their chosen speed. Information is provided by infrared cameras located in the laboratory environment that are sensitive to markers installed on the body. Each person will first perform the experiment with PLS orthosis, which covers the foot and ankle area and shoes without rollers, then rest for 10 minutes and perform the experiment with PLS with roller shoes.. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is According to the confidentiality of patients' information, no decision has been made yet.