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Beyond the Metrics
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13 January 2026

Beyond the Metrics examines how fitness technology subtly affects self-image, social anxiety, and mental well-being through wearables, performance monitoring, and digital affirmation. It uniquely combines academic insights with their practical experiences in competitive sports, user experience, and psychosocial research. It critically examines how fitness technology, while intended to be empowering, can paradoxically lead to self-objectification, social comparison, and performance anxiety. The authors explore the mental health effects of focusing on numbers related to the body, including body dysmorphia in bodybuilding and anxiety from online fitness tracking and social media. This timely book uses sports science, psychology, user experience (UX), and gender studies to explore the risks and potential solutions. Perfect for researchers, mental health professionals, athletes, and tech designers.
SPORTS & RECREATION / Bodybuilding & Weightlifting, Psychology: the self, ego, identity, personality, PSYCHOLOGY / Psychopathology / Anxieties & Phobias, COMPUTERS / User Interfaces, Weightlifting, Digital Lifestyle and online world: consumer and user guides
“Beyond the Metrics offers a thoughtful and timely exploration of how fitness technologies shape self-image, emotional well-being, and social identity. By blending insights from psychology, sports science, and digital behaviour, this book illuminates the hidden psychological dynamics of modern fitness culture and provides an essential perspective for researchers, practitioners, and everyday users.” — Ms. Shugufta Fatima, Assistant Professor, Stanley College of Engineering and Technology for Women, Hyderabad, India
Dr. Asegul “Ace” Hulus is an Assistant Professor in Computing and a global expert in AI, UX, and HCI. She is a prolific S.T.E.A.M. researcher and serves in leadership roles at ACM-W and other international bodies.
Esat Hulus is a professional bodybuilder and PhD candidate in Sports Science. He is a multi-award-winning physique competitor and integrates his academic work with high-level athletic training.
Dr. Erman Doğan is an Assistant Professor and Head of the Sports Management Department. His research focuses on sport psychology and sociology, with publications across national and international platforms.
Preface; 1-The Double-Edged Sword of Fitness Technology; 2-Theoretical Foundations; 3-Methodological Approach; 4-The Positive Side—Motivation and Enhanced Physical Self-Concept; 5-The Negative Side—Social Comparison and Social Physique Anxiety; 6-Balancing the Dual Impact—How to Use Fitness Technology Responsibly; 7-The Bigger Picture—Fitness Technology in a Digital World; 8-Key Findings and Implications; 9-Conclusion—Toward a Balanced Future in Fitness Technology; 10-Final Remarks Part 1; 11-Final Remarks Part 2; 12-Final Remarks Part 3; References