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

“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