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+61 2 9438 2299
0411 347 889


Suite 207, Level 2
2-4 Clarke Street
Crows Nest NSW 2065

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Chas Barclay


Accredited Exercise Physiologist, CHEK Practitioner & Personal Trainer

Chas Barclay is an Accredited Exercise Physiologist, CHEK Practitioner, Personal Trainer, a former World Top 30 Age Ranked Athletics Track Sprinter and the Founder and Owner of  Human Engineering in Crows Nest, Sydney. Before opening Human Engineering as a private studio in 2000, he worked in the UK, New Zealand and Australia in several leading health clubs, gyms, private studios, physiotherapy and medical clinics specialising in pre and post exercise rehabilitation, personal training and sports specific conditioning.

Chas has presented at fitness conferences, fitness courses, at corporate events, Universities, and been featured in several magazines (Runner’s World, National Health and Vegetarian Life and the Ocelot), journals (Fitness Australia’s E-Journal) and newspapers (The Sunday Telegraph and Mosman Daily).

As a CHEK Practitioner

His expertise in demonstrating core stability, core conditioning, Swiss Ball, medicine ball, functional strength training and corrective exercises taught to personal trainers and Allied Health Professionals, can be found in the CHEK Institute’s Scientific Core Conditioning Correspondence Advanced Training Course and Gym Instructor Video series. Besides seeing patients and clients at his studio in Crows Nest, Chas has personal clients in the UK, Europe, Asia, and New Zealand.

For over 30 years, Chas has built a reputation for getting results with clients, whose chronic injuries have not been addressed in the past, allowing them to:

  • Improve their posture and health
  • Rehabilitate chronic back, neck, shoulder, hip, and knee injuries
  • Lose fat
  • Change the shape of their bodies, and
  • Improve performance in their sports or daily activities
  • Return to compete at an elite or recreational level in their chosen sport

Call Chas on (02) 9438 2299 or e-mail him at

Personal Goal

 “For clients to achieve movement, aesthetic, sporting success or postural changes they never thought possible in a pain-free and healthy environment.”


  • Back Care
  • Core Conditioning
  • Corrective Exercise
  • Functional Fitness
  • Musculoskeletal/ Orthopaedic Rehabilitation
  • Personal Training
  • Postural Correction
  • Sports Performance – Athletics - Track & Field, Basketball, Cricket, Cycling, Golf, Netball, Rowing, Rugby Union, Running, Soccer, Surfing, Swimming, Tennis, Touch Football, Triathlon, Yachting (see here for athletes he has assisted).

Academic Qualifications

  • Post-Graduate Certification in Mechanical Diagnosis & Therapy of the Cervical and Thoracic Spine (McKenzie Institute International, Australia, 2008)
  • Post-Graduate Certification in Mechanical Diagnosis & Therapy of the Lumbar Spine  (McKenzie Institute International, Australia, 2005)
  • Post-Graduate Certificate in Business Administration (University of Westminster, UK, 1994)
  • Post-Graduate Certifications in Musculoskeletal Evaluation & Rehabilitation (University of Florida, USA, 1992)
  • Bachelor of Arts (Honours) Sports Science & History (Brunel University, UK, 1990)

Industry Qualifications

  • ELDOA Levels 1 & 2 Practitioner Certifications (The American Institute of Applied Soma Training, Guy Voyer, Australia, 2016)
  • Kinetic Link Training - Level 1: Functional Strength & Conditioning (Health Adventure Courses, 2016)
  • FMA Strength Coach - Level 1 (FMA Strength Training, Australia, 2010)
  • Gravity Personal Training Certification (efi Total Gym & HQH Fitness, 2010)
  • CHEK Nutrition & Holistic Lifestyle Coach Level 2 Certification (C.H.E.K. Institute, USA, 2008)
  • CHEK Licensed Golf Performance Specialist (C.H.E.K. Institute, USA, 2005)
  • ATFCA Orientation to Coaching Certification (Australian Track & Field Coaches Association, 2003)
  • CHEK Practitioner Level 3 Certification (C.H.E.K. Institute, USA, 1997)
  • ACE Personal Trainer Certification (American Council on Exercise, USA, 1994)
  • Injuries in Exercise & Sport Certification (Premier Fitness Instructor Training, UK, 1992)
  • ACHPER Fitness Leader Certification (Australian Council for Health, Physical Education & Recreation, 1991)
  • Provide CPR & Provide First Aid (Vital First Aid Training Services)

Professional Bodies

  • C.H.E.K. Institute - Licensed CHEK Professional, USA
  • C.H.E.K. Institute - Licensed CHEK Professional Facility, USA
  • ESSA - Accredited Exercise Physiologist (Exercise & Sports Science Australia) 
  • ESSA - Accredited Exercise Scientist (Exercise & Sports Science Australia)



Sporting Background

Chas is a former World Ranked (26th in the 100m and 29th in the 200m in 2009) Masters Athletics Track Sprinter in his age group, having run lifetime personal best times at the age of 40 years old! This was as a result in 2004 of:

  • A return to Track Athletics following a 14 year break
  • Having World Masters Athletics Champion Peter Crombie OAM as an athletics Coach with the Masters Athletics squad at Sprint Force Australia
  • Applying the CHEK high-performance training techniques he'd learnt since 1996

He competed at International, Australian National and State Masters Athletics Championships between 2004 and 2013. Chas has been a Triple World Masters Games medallist (2009); an Australian Masters National Sprint Champion (2005 and 2009); and held several sprint records in Trans-Tasman Masters Games – Athletics (200m), NSW Police Games (200m), National Championships (60m and 4x100 sprint relay), NSW State (60m) and NSW State Relay Championships (4x100m) in Australia.

A summary of his full results are listed here

In his youth, Chas competed in Rugby Union and Track Athletics:

  • 2nd & 3rd XV Teams, Mosman RFC (Sydney)(1992)
  • Track Athletics Team West London Institute of Higher Education (Brunel University, UK)(1988-1990)
    • 1988 British Colleges 4x100m Relay Gold Medallist
  • 1st XV Royal Wootton Bassett RFC (UK)(1988)
  • 1st XV West London Institute of Higher Education RFC (Brunel University, UK)(1987)
  • 1st XV South-West England Schools U18 Rugby Union (UK)(1987)
  • 1st XV Gloucestershire Schools U18 Rugby Union (UK)(1986/1987)
  • Track Athletics Team Gloucestershire Schools U17 (1985)
  • 1st XV Gloucestershire & Bristol Schools U16 vs Italy U16 Rugby Union (UK)(1985)
  • 1st XV Gloucestershire Schools U16 Rugby Union (UK)(1984/1985)