en آسیب شناسی ورزشی و حرکات اصلاحی Sport injury and corrective exercises پژوهشي Research <p style="text-align: justify;"><strong>Purpose:</strong> The current study aimed at evaluating the effect of 5-toed shoes on electromyographic activity of leg muscles during the stance phase of running.&nbsp;<br> <strong>Methods:</strong> The current semi-experimental study recorded the electromyographic activity of tibialis anterior, soleus, gastrocnemius lateralis, and medialis muscles of 15 healthy male students (mean age: 24.5&plusmn;3.4 years, mean height: 177.6&plusmn;5.8 cm, and mean weight: 75.7&plusmn;8.9 kg) during the stance phase of running in barefoot and shod (5-toed shoes) conditions. Paired sample t test was used for statistical analysis with SPSS19.&nbsp;<br> <strong>Results:</strong> In shod running, electromyographic activity of tibialis anterior during loading response phase (P=0.001) and electromyographic activity of soleus (P=0.002) and medial gastrocnemius (P=0.004) during propulsion phase were significantly higher, compared with the barefoot running; there was no significant difference in gastrocnemius lateralis muscle between both conditions (P˃0.05).<br> <strong>Conclusion:</strong> According to the current study findings, using 5-toed shoes could increase electromyographic activity of leg muscles during the stance phase of running.</p> Five-toed shoe, Electromyography, Running, Leg muscles 227 232 http://ptj.uswr.ac.ir/browse.php?a_code=A-10-313-1&slc_lang=en&sid=1 Hamideh Khodaveisi حمیده خداویسی khodaveisi_hamideh@yahoo.com Yes Department of Physical Education, Faculty of Human Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran. Maryam Razaghzadeh مریم رزاق زاده No Department of Physical Education, Borujerd Branch, Islamic Azad University, Borujerd, Iran. Mehrdad Anbarian مهرداد عنبریان mehrdadanbarian36@gmail.com No Department of Sport Biomechanics, Faculty of Sport Sciences, Bu-Ali Sina University, Hamedan, Iran.