THE TEAM
Meet Our Osteopathy Team – Expert Care in Melbourne CBD
At Principle Four Osteopathy, our practitioners combine clinical expertise, movement-based rehabilitation, ergonomic insight, and evidence-informed manual therapy to help people reduce pain, improve movement, and return to work, sport, and daily life with confidence.
Whether you’re seeking relief from back pain, neck pain, headaches or work-related strain, or you’re ready to progress your functional movement and performance, our team at our Melbourne CBD clinic on Collins Street provides personalised care tailored to your goals.
WHY CHOOSE OUR TEAM
At Principle Four Osteopathy, we take a collaborative, outcomes-driven approach to care. We blend hands-on osteopathic treatment with:
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Individualised movement assessment
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Exercise-based rehabilitation
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Ergonomics and workplace health insight
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Strength and conditioning principles
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Patient education and self-management strategies
We help:
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Office workers and city professionals manage posture, repetitive strain, and musculoskeletal pain
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Active individuals and athletes improve performance and recover from injury
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People returning from surgery or injury rebuild strength and movement confidence
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Anyone seeking long-term support for persistent pain or functional limitations
This multi-disciplinary approach reduces pain while building resilience, movement efficiency, and long-term health.
YOUR FIRST VISIT
Each practitioner integrates clinical reasoning with personal attention to understand your presentation fully.
Your first appointment may include:
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Detailed history and movement screening
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Hands-on treatment tailored to your presentation
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Functional assessment and corrective strategies
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Clear education on why symptoms exist
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Personalised next-step plan with rehabilitation tools
We believe in empowering patients — not just treating symptoms.
HEATH WILLIAMS
Occupational Health Osteopath & Strength and Conditioning Coach
Heath Williams is a highly experienced Occupational Health Osteopath and Strength and Conditioning Coach, with more than 20 years working across clinical practice, education, and workplace health. He graduated from Victoria University in 2003 with a Bachelor of Clinical Science and Master of Health Science (Osteopathy).
Heath has lectured extensively in osteopathy programs in Australia and the UK, including at the British School of Osteopathy, London School of Osteopathy, Victoria University, and Southern Cross University. His teaching background spans exercise rehabilitation, ergonomics, and clinical education, alongside postgraduate training for health professionals in office and vehicle ergonomics, manual handling, and strength and conditioning.
He has worked extensively in the occupational health and safety sector, previously with Health Response UK and currently as a Director at Corporate Work Health Australia, specialising in ergonomic assessments, job task analysis, and manual handling risk management.
Heath is one of a small number of osteopaths nationally to be awarded the title Advanced Occupational Health Osteopath (Vocational) by Osteopathy Australia. He also holds advanced certifications in strength and conditioning, functional movement assessment, and applied functional science, supporting an integrated, movement-focused approach to both clinical care and workplace health.
SHAUN COGHLAN
Occupational Health Osteopath (Titled)
Shaun Coghlan is a titled Occupational Health Osteopath with a strong focus on rehabilitation, movement, and workplace-related musculoskeletal health. He completed his Bachelor of Science (Clinical Science) and Master of Health Science (Osteopathy) at Victoria University.
Shaun’s clinical approach combines hands-on osteopathic treatment with rehabilitation, education, and practical lifestyle strategies to support long-term recovery and self-management. He works extensively in occupational health, consulting with Corporate Work Health Australia, where he delivers workplace ergonomic assessments, education, and risk assessments across Melbourne.
With a strong sporting background, Shaun brings valuable experience to the management of both acute and chronic injuries. He has played basketball for over 15 years, including a tour of the USA, and has coached at junior and senior levels with Blackburn Basketball Club. He has also worked as a sports trainer with Whitehorse Football Club and supported athletes across a range of sports.
Shaun is available for consultations at our Melbourne CBD clinic on Mondays and Wednesdays, and also practises at The Osteopaths of Blackburn.
CLINICAL EXPERTISE AND SPECIAL INTEREST
Our team collectively has advanced training in:
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Advanced Exercise Rehabilitation
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Functional Movement Screen (FMS)
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Strength and Conditioning
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Work & Office Ergonomics
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Occupational Health Risk Assessment
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Sports Rehabilitation
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Manual Therapy for spine and joints
This breadth of expertise means we can support clients from all walks of life — from desk-bound professionals to weekend warriors and competitive athletes.
TRUSTED CARE YOU CAN RELY ON
We’re proud to be leaders in the allied health community, with clinicians who:
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Teach at university level
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Deliver postgraduate education
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Consult in workplace health and safety
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Serve on professional accreditation and governance bodies
Our practitioners are consistently recognised for excellence in both clinical practice and continued professional development.
JARROD TESTA
Exercise Rehabilitation Osteopath (Titled) & Ergonomic Consultant
Jarrod Testa is a titled Exercise Rehabilitation Osteopath with a strong focus on movement quality, strength-based rehabilitation, and long-term musculoskeletal health. He completed his Bachelor of Clinical Science and Master of Health Science (Osteopathy) at Victoria University, supported by a background in Exercise and Sports Science and strength and conditioning.
Jarrod works with people of all ages and activity levels — from office workers and desk-based professionals to weekend warriors and competitive athletes — helping them manage pain, recover from injury, and move with greater confidence. His approach integrates hands-on osteopathy with structured exercise rehabilitation and practical strength strategies.
Alongside private practice, Jarrod is an Ergonomic Consultant with Corporate Work Health Australia, delivering workplace ergonomic assessments, education, and risk assessments across Melbourne. This experience strengthens his ability to address work-related injuries and repetitive strain conditions.
Outside the clinic, Jarrod is an experienced strength trainer and competitive powerlifter, bringing real-world insight into training demands, recovery, and performance.
LOGAN SHARROCK
Osteopath & Ergonomic Consultant
Logan is an osteopath with a strong interest in movement, rehabilitation, and patient-centred care. She graduated from Victoria University with a Bachelor of Science (Osteopathy) and a Master of Health Science (Osteopathy).
Her clinical approach is shaped by more than 12 years competing in elite gymnastics, where she developed a deep understanding of movement quality, injury recovery, and the importance of empathetic, skilled healthcare. Logan combines hands-on osteopathic treatment, exercise rehabilitation, and clear patient education to help people return to sport, manage persistent pain, and improve everyday function.
Logan treats a wide range of musculoskeletal conditions and has a particular interest in hip and pelvic pain, neck pain, and shoulder complaints. She has gained valuable experience both in private practice and as an on-field sports trainer with Caulfield Grammarians Football Club, supporting the management of acute injuries and longer-term rehabilitation.
Logan is passionate about empowering patients with the knowledge and confidence to take ownership of their health, supporting sustainable, long-term outcomes.
Outside the clinic, Logan enjoys training at the gym or relaxing in the sunshine with a good book — you’ll rarely find her without one close by.
