I would like to express my sincere gratitude and deep appreciation to the esteemed reviewers, authors andeditorial members for their great support and encouragement to publish the third issue of the Journal ofAdvanced Sport Technology (JAST). Today, the sport technology is growing very fast and we look forwardto achieving highest scientific standard in our journal. As Editor-in Chief, and I take the responsibility ofsustaining and building upon the Journal's quality and success very earnestly.JAST aim is strive to publish the most advanced scientific articles in the realm of sport technology. Wewelcome you to submit original/technical manuscripts and we guarantee fast and peer-review process.To submit a manuscript or to view the journal home page, please visit our official website and submit yourmanuscript.

It is my great pleasure and privilege to present to you the second issue of the Journal of Advanced Sport Technology (JAST). This new and peer-reviewed journal promises to make a significant impact upon the field of sport technology. It is an international, open-access journal with a focus on cutting-edge findings in this fast growing field of technology. JAST strives to quarterly publish the most recent articles in sport technology. Our goal is to provide the reader of JAST with a new, well-constructed, informative, and technological journal. I strongly encourage researchers, industrial sector and universities to submit novel, innovative and scientific manuscripts to support the growing field of sport technology. If you wish to submit a manuscript or to view the journal home page, please go to http: //jast. uma. ac. ir. I am grateful to the JAST motivated and qualified reviewers. I am eagerly looking forward to making JAST a distinguished and international journal in the field of sport technology.

It has been my great pleasure to announce the launch of a new journal, “Journal of Advanced Sport Technology (JAST)” in the January 2017. We try our best to make sure we deliver high-quality content to our readers in a timely fashion. Definitely, a high standard scientific journal cannot be great without a team of dedicated editors and reviewers. We will strive to be a pioneer in sport technology and our most ambitious attempts is to focus on the realms of innovation and technology development in sport science.JAST is dedicated to the rapid dissemination of high quality original and technological research papers. Fortunately, working with our knowledgeable and international Editorial Board members, assured a rapid, robust and fair peer-review process.Finally, I wish to encourage more contributions from the scientific communities, industry, and sport sectors to ensure a continued success of the journal. I hope you will find JAST very informative and innovative.

It is my great pleasure and privilege to present to you the second issue of the Journal of Advanced SportTechnology (JAST). This new and peer-reviewed journal promises to make a significant impact upon thefield of sport technology. It is an international, open-access journal with a focus on cutting-edge findings inthis fast growing field of technology.JAST strives to quarterly publish the most recent articles in sport technology. Our goal is to provide thereader of JAST with a new, well-constructed, informative, and technological journal. I strongly encourageresearchers, industrial sector and universities to submit novel, innovative and scientific manuscripts tosupport the growing field of sport technology. If you wish to submit a manuscript or to view the journalhome page, please go to http://jast.uma.ac.ir.I am grateful to the JAST motivated and qualified reviewers. I am eagerly looking forward to making JAST adistinguished and international journal in the field of sport technology.