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About Us

At Xhale, we put a strong emphasis on simplicity, quality and usefulness of fashion products over other factors. Our fashion items never get outdated. They are not short-lived as normal fashion clothes.

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Biokinetics Personal Trainer

David Lee

David Lee is redefining the path to better health and performance through the science of biokinetics. With over 20 years of experience and a Master’s in Kinesiology, he has dedicated his career to transforming how people move, recover, and thrive. From athletes pushing their limits to individuals overcoming chronic challenges, David crafts precise, evidence-based programs that deliver results. His approach goes beyond exercise—combining expertise with a genuine commitment to his clients' long-term success. David is not just a trainer; he’s a partner in helping you achieve your best self, one movement at a time.

Published Expert in Sports Science and Performance


With a wealth of experience in sports science and performance, David Lee has contributed to the advancement of the field through groundbreaking research and published works. His expertise spans injury prevention, athletic performance, and advanced training methodologies, reflecting his dedication to enhancing both knowledge and practice in the industry.

  1. In Vivo Strain Differences of the Human Patellar Tendon Mid-Region
    Published in Scandinavian Journal of Medicine & Science in Sports, 2017; 27(10):1105-1113.
  2. Adrenal Fatigue Syndrome, Part 1: Pathophysiology and Diagnosis
    Published in International Journal of Athletic Therapy & Training, 2010; 15(1):28-31.
  3. Adrenal Fatigue Syndrome, Part 2: Adrenal Function and Overtraining
    Published in International Journal of Athletic Therapy & Training, 2010; 15(2):28-31.

The Science of Human Movement

David Lee has spent over two decades at the forefront of fitness and rehabilitation, earning recognition for his innovative approach to biokinetics and movement science. His career highlights include leading Olympic lifting programs that enhanced athlete performance, managing multimillion-dollar fitness operations to deliver exceptional client outcomes, and conducting groundbreaking research in sports medicine.

David’s findings have been presented at prestigious academic conferences and published in respected journals, cementing his role as a thought leader in the field. Beyond academia, he has developed and implemented personalized programs that have helped clients recover from complex injuries, prevent recurring issues, and achieve measurable performance milestones.

As a sought-after expert in rehabilitation, injury prevention, and athletic optimization, David continues to redefine what’s possible in health and human movement.

Awards and Recognitions


David Lee’s commitment to excellence in strength and conditioning has earned him multiple awards and recognitions, highlighting his impact as a leader, coach, and innovator in sports performance.

  • NSCA Foundation Dr. Borden Coaching Advancement Grant (2021): Awarded for excellence in advancing coaching methodologies and contributing to the strength and conditioning field.
  • Equinox Nominations (2018): Recognized as a finalist for Fitness Manager of the Year and part of the management team nominated for Turnaround Club of the Year.
  • Equinox MNR Leadership Award Nomination (2017): Celebrated for outstanding leadership and contributions to team performance.
  • Best Poster Award (2015): Honored at the 16th Biennial South African Sports Medicine Association Conference for presenting innovative research in sports medicine.
  • The Sports Club LA Trainer of the Year (2008): Acknowledged for exceptional dedication and results as a leading fitness trainer.

Pioneering Research in Sports Medicine

Presented groundbreaking studies on movement and rehabilitation at international conferences and published in leading journals.

Transforming Athlete Performance

Designed Olympic lifting programs that improved strength, agility, and injury prevention for athletes of all ages, and at all levels.

Driving Fitness Business Success

Managed multimillion-dollar operations, delivering innovative programs and exceptional client outcomes.

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