Stefan Kolimechkov Official Website

Welcome to STK Sport

I am Dr Stefan Kolimechkov and this is my official website. Here you will find a lot of information about my career as a sports teacher and my research in sports science.

Short Bio »

Personal Gymnastics Session for Kids in London with Qualified Coach

Book a Session

You can book gymnastics lessons for your children in London in the comfort of your own home at a time that suits you best. I also offer training sessions for adults in London...

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Stefan Kolimechkov - Research in Sports and Exercise Sciences


This section presents information about my research including published articles in peer-reviewed journals, as well as presentations in international academic conferences.

Research and Publications »

Technologies in Physical Education and Sport and Exercise Science

Online Shop

During the last few years, my colleagues and I developed different tools for assessing the health-related physical fitness. Now I am in a position to offer these technologies to you...

Online Shop »

Stefan Kolimechkov - Sports Career

Sports Career

Artistic Gymnastics is considered to be one of the most difficult and beautiful sports ever. Inspirational videos, amazing photos, moments of a lifetime...

My Events Archive »

Welcome to STK Sport

  • Latest News & Events

  • Chartered Activity and Health Practitioner Status

    I gained the Chartered Activity and Health Practitioner status

    December 2020
    In December 2020 I gained my Chartered Activity and Health Practitioner status, awarded by CIMSPA (the professional body for the sport and physical activity sector in the UK), after meeting the professional standards, and passing a 2-hour VIVA examination. CIMSPA establishes a new set of professional standards for the sport and physical activity sector in the UK. CIMSPA also holds the new UK's directory for all exercise and fitness professionals. CIMSPA awards Chartered status to those who have shown real excellence, innovation and quality within the field of sport and physical activity. CIMSPA chartered status is the hallmark of a qualified and excellent professional.

  • British Citizenship Ceremony

    My British Citizenship Ceremony

    19 November 2020
    On the 19th of November, at the age of 33, I obtained my British citizenship at the Woolwich Town Hall in the Royal Borough of Greenwich in London. I moved to London in 2013 and I have lived here since then. Gaining my British citizenship was one of my lifetime goals.

  • ECSS 2020

    25th ECSS Anniversary Congress 2020

    30 October 2020
    I presented our study on the benefits of gymnastics at the parallel virtual sessions of the 25th Anniversary Congress of the European College of Sports Science (ECSS). The findings show that gymnastics training in childhood, contributes to maintaining a normal mass, and thereby sustaining a normal health status. Practising artistic gymnastics has a positive impact on the health-related biomarkers of children’s physical fitness.

  • Dynamics of Training Distress, Performance, and Excretion of Cortisol and Cortisone in Urine During Six Weeks of Training in Elite Swimmers

    Dynamics of Training Distress, Performance, and Excretion of Cortisol and Cortisone in Urine During Six Weeks of Training in Elite Swimmers

    16 October 2020
    This study recorded the dynamics of training distress, performance, and excretion of cortisol and cortisone in urine during six weeks of training in elite swimmers. The study was part of the project 'Non-invasive monitoring of recovery and effects of glutathione supplementation on elite swimmers' supported by Grant 12/15.02.2018 by the National Sports Academy, Sofia, Bulgaria.

  • Nutrition and body composition of elite rhythmic gymnasts from Bulgaria

    First Article in a Journal with Impact Factor

    1 February 2020
    After my presentation at the ECSS Congress 2019, our study on nutrition and body composition was built upon further and the complete findings were published in the International Journal of Sports Science & Coaching. This is also my first article in a journal with Impact Factor. This journal has an impact factor of 1.253, and it is indexed in the international database Clarivate Analytics: Science Citation Index Expanded (Web of Science), SCOPUS and other databases.

  • ECSS Prague 2019

    ECSS Prague 2019

    15 July 2019
    I presented our study on body composition and nutrient intake of Olympic and elite rhythmic gymnasts at the parallel sessions of the 24th Annual Congress of the ECSS in Prague. This was the biggest conference I have ever taken part in, with 2703 participants from around the world, joining together for the top European event in sport and exercise science, ECSS Prague 2019, at the Prague Congress Centre.


The American College of Sports Medicine‎ The European College of Sport Science British Gymnastics‎ The Chartered Institute for the Management of Sport and Physical Activity