en Health Improvement Strategies Health Improvement Strategies مقاله مروری Review Article <p style="direction: ltr; font-style: normal; text-align: justify;"><span style="display: none;">&nbsp;</span><span style="display: none;">&nbsp;</span><span style="font-size:16px;"><span style="font-family:Times New Roman;"><strong><span style="background:#2D7F8F;"><span style="color:white;"><span style="background-color:#008080;">&nbsp;Background & Objective:</span></span></span> </strong>&nbsp;Irisin is considered as a candidate to treat obesity and metabolic diseases. Therefore, the aim of this study was a systematic review and meta-analysis to define the effective modes of exercise on irisin concentration in adults.</span></span><br> <span style="font-size:16px;"><span style="font-family:Times New Roman;"><strong><span style="letter-spacing:-.1pt;background:#2D7F8F;"><span style="color:white;"><span style="background-color:#008080;">&nbsp;Materials & Methods:</span></span></span></strong> &nbsp;Google Scholar, PubMed, Medline, Scopus, Science Direct, and references lists of articles were searched until April 25, 2020. To study the impact of exercise duration (short-term and long-term) on the pre-test and post-test concentration of irisin, 21 studies with 384 subjects were evaluated.</span></span><br> <span style="font-size:16px;"><span style="font-family:Times New Roman;"><strong><span style="background:#2D7F8F;"><span style="color:white;"><span style="background-color:#008080;">&nbsp;Results:</span> </span></span>&nbsp;</strong>In the present study, a significant increase was found in irisin level in long-term resistance training (LTRT) intervention groups (MD:-0.61 ng/ml, 95% CI [-1.12, 0.09], <em>P</em>=0.02). However, no significant changes were reported in the groups of long- term aerobic training, short-term aerobic training, and short + long term aerobic training.</span></span><br> <span style="font-size:16px;"><span style="font-family:Times New Roman;"><strong><span style="background:#2D7F8F;"><span style="color:white;"><span style="background-color:#008080;">&nbsp;Conclusion: </span></span></span></strong>&nbsp;The analysis showed that only LTRT among the types of exercise can elevate irisin concentration. Therefore, LTRT seems to have more beneficial influences, compared to other modes of exercise in inclusive irisin responses.</span></span></p> <div style="text-align: justify;"><p style="font-style:normal;"></p><p style="font-style:normal;"></p></div> <div style="text-align: justify;"><p style="font-style:normal;"></p></div> <p></p><p style="font-style:normal;"></p><div style="direction: ltr;"></div><div style="direction: ltr;"></div><p style="font-style:normal;"></p><div style="direction: ltr;"></div> <div style="direction: ltr;"><span style="font-size:14px;"><span style="display: none;">&nbsp;</span></span></div> <div style="direction: ltr;"><strong><span style="display: none;">&nbsp;</span></strong></div> Aerobic training, Irisin, Resistance training 125 138 http://journal.zums.ac.ir/browse.php?a_code=A-10-5545-1&slc_lang=en&sid=1 Morteza Motahari Rad motaharyrad@gmail.com 5200319475328460056473 5200319475328460056473 No Dept. of Sport Physiology, Faculty of Sports Sciences, Ferdowsi University of Mashhad, Mashhad, Iran Nahid Bijeh dr.bijeh@gmail.com 5200319475328460056474 5200319475328460056474 Yes Dept. of Sport Physiology, Faculty of Sports Sciences, Ferdowsi University of Mashhad, Mashhad, Iran Seyyed Reza Attarzadeh Hosseini attarzade@um.ac.ir 5200319475328460056475 5200319475328460056475 No Dept. of Sport Physiology, Faculty of Sports Sciences, Ferdowsi University of Mashhad, Mashhad, Iran Aliakbar Raouf Saeb dr.aliraof@yahoo.com 5200319475328460056476 5200319475328460056476 No Parsian Diabetes Clinic, Mashhad, Iran