WE'RE OPEN!   Services are limited and by appointment only. Please read our COVID protocols prior to your visit or see our facebook page for more information.


Back to Function and Bell Chiropractic

"Missing from photo: Janet McMordie and Jessica Willemse"

Heal Injury / Relieve Pain / Speed Recovery / Optimize Performance

Our expert Chiropractors, Sports Chiropractors, Sports Medicine Physician, Physiotherapist, Registered Kinesiologists and Soft Tissue Care Specialists work with your health care professionals to provide the range of treatment and expert care needed for your specific condition. 

Our professionals are certified in the most advanced soft tissue care techniques including Active Release Techniques® and Graston® and are dedicated to relieve pain, speed recovery from injury and improve function for people of all ages and all activity levels.

Chiropractors & Sports Chiropractors

Dr. Larry Bell


Doctor of Chiropractic

Fellow of Royal Chiropractic College of Sports Science (Canada)

Fellow of International College of Chiropractors

Service Provider to the National Sports Centre

Certified Graston® Provider

Certified Active Release Technique® Provider

Certified Sports First Responder

Masters in Human Nutrition

Dr. Bell leads both the Back to Function and Bell Chiropractic teams.  He is considered one of Canada’s foremost Sports Chiropractors. He has worked with athletes across a wide range of sport disciplines at over 50 international events including 6 Olympic Games and 18 World Championship and Commonwealth Games.  In addition to treating patients, he lectures to chiropractic and health care professionals around the world. His dedication to bring the same level of expert treatment that elite athletes receive to people of all ages and activity levels has established Back to Function and Bell Chiropractic as the clinics of choice for people and athletes from all over the world.

Chiropractors & Sports Chiropractors

Dr. Ben Rayfield

B.A., D.C.

Doctor of Chiropractic

Certified Active Release Technique® Provider

Dr. Rayfield brings deep chiropractic expertise along with experience as a competitive athlete and coach to your treatment team. He is dedicated to providing the same expert treatment that elite athletes receive to people of any age, any activity level and any injury or condition. Movement and activity are the key to health and recovery from injury. Dr. Rayfield enjoys treating a variety of different injuries and conditions from repetitive strain injuries and postural corrections to low back pain and headaches. He uses soft tissue therapy (ART®), spinal manipulation and exercise to accomplish these goals. His experience as a former Varsity Track and Field athlete led Dr. Rayfield to work closely with both elite athletes and track and field clubs.  For over a decade, he has coached sprinters and hurdlers at the local club level.  He also travels across the country to coach and provide chiropractic and soft tissue services at numerous athletic events.

Chiropractors & Sports Chiropractors

Dr. Michael Duffy

B.A. (Hons), D.C., C.S.C.S.

Doctor of Chiropractic

Certified Contemporary Medical Acupuncture Provider

Certified Strength & Conditioning Specialist

Certified Active Release Technique® Provider

TPI Certified

Born and raised in Orillia, Dr. Mike Duffy has extensive ties in the community throughout his years of athletics including hockey, soccer, baseball and track-and-field. He attended The University of Western Ontario where he received his Bachelor of Arts Honours Specialization in Kinesiology. In 2015, Dr. Mike graduated from the Canadian Memorial Chiropractic College (CMCC) in Toronto, with clinical honours.


Chiropractors & Sports Chiropractors

Dr. Spencer Bell

DC MASc BEng (Biomedical)

Doctor of Chiropractic

MASc Biomedical Engineering (Biomechanics)

Dynamic Neuromuscular Stabilization (DNS®) Level C Certified

Acupuncture Provider

Certified Active Release Technique® Provider

Certified Sports First Responder

Dr. Bell believes in the power of movement, exercise and nutrition to sustain a healthy, vibrant lifestyle. Whether you're interested in addressing pain, improving function, or working toward a fitness goal, Dr. Bell combines his expertise in movement science with an ever-growing arsenal of manual therapy techniques to provide you exceptional care that meets your needs.


Chiropractors & Sports Chiropractors

Dr. Allison McFarlane

D.C., BSc. HK

Doctor of Chiropractic

Active Release Techniques provider

Medical Acupuncture provider

Dr. Allison McFarlane is a graduate of CMCC, coming to Back to Function with a strong background in exercise and nutrition. She draws from a variety of techniques, including Active Release Technique, Contemporary Medical Acupuncture, and functional assessment systems, which allows her to individualize treatment plans to every patient’s needs. Allison believes that patient education, personalized treatment, and exercise interventions form the foundation of patient care, allowing patients to understand their underlying conditions and prevent future issues from developing. Dr. McFarlane is committed to helping every patient meet their optimal health potential.


Chiropractors & Sports Chiropractors

Dr. Chris Grant


Doctor of Chiropractic

Fellow of the Royal College of Chiropractic Sports Science (Canada)

Internationally Certified Chiropractic Sport Practitioner

Certified Active Release Techniques® Provider

Contemporary Medical Acupunctur

Certified Sports First Responder

Dr. Chris Grant is a Sports Specialist Chiropractor. He has a keen interest in helping athletes achieve their full potential. He places an emphasis on biomechanics, sports nutrition and recovery to help his patients achieve their goals. Dr. Grant has worked in a variety of sports settings at the local, provincial, national and international level including the 2019 Canadian Wakeboard, Mountain Biking and Track Cycling Nationals. He was also a member of the medical team for the 2018 North American, Central American & Caribbean Track & Field Championships held in Toronto.


Sports Medicine Physician

Dr. Janet McMordie

M.Sc., M.D., C.C.F.P.(SEM), Dip. Sport Med

Master of Science

Doctor of Medicine

Certification in The College of Family Physicians (Sport and Exercise Medicine)

CASEM Diploma in Sport Medicine

Dr. McMordie is a medical doctor specializing in Sport and Exercise Medicine. Before moving her practice to Back to Function, she was practicing Primary Care Sport Medicine at several clinics in the Hamilton/Burlington area, including McMaster University and Mohawk College.

Her clinical expertise includes sport injuries, concussion, joint pain, non-operative osteoarthritis management, platelet-rich plasma, cortisone, trigger point, and viscosupplementation injections.


Registered Physiotherapist

Jessica Willemse

HBSc. Kin, MPT, Cert. MDT

Registered Physiotherapist

Bachelor of Science Kinesiology

Master of Physiotherapy

Certified in Mechanical Diagnosis and Therapy

When physiotherapist is a critical component of your treatment, Jessica is a key player on your team. Her expertise includes the treatment of low back pain and sciatica, neck pain, postural correction, musculoskeletal soft tissue and sports injuries, post-operative therapy and functional impairments through out the oncology process. She is one of the few certified MDT clinicians north of the GTA and is also certified in providing acupuncture.

Registered Kinesiologists

Carley McCutcheon


Honours Bachelor of Science in Kinesiology

Bachelor of Education

Registered Kinesiologist

FMS Level 1

CASI Level 1

First Aid and CPR

Carley’s expertise is focused on helping patients with chronic conditions, acute injuries, motor vehicle accident and workplace injuries, and athletes of all ages and ability levels. Due to her particular interest in functional movement restoration she has completed a number of certifications and courses and has special expertise in lower back rehabilitation and strengthening for high-level performance. Carley has experience training and working with amateur, professional and Olympic athletes and enjoys providing sports specific training programs to sports teams and individuals.

Registered Kinesiologists

Kerri Lynn Deir

HONS. B. Kin., PFLC, R.Kin

Bachelor of Kinesiology

Registered Kinesiologist

Professional Fitness and Lifestyle Consultant

First Aid and CPR

Kerri brings a strong rehabilitation background to your treatment. She has years of experience working with people of all ages – from children to seniors – to address a wide range of conditions including low back and shoulder rehabilitation, concussion and acquired brain injuries.  Water rehabilitation is also her specialty and is often incorporated into rehabilitation programs for people with sports injuries, cancer, neurodegenerative conditions and more.  Kerri provides individual training and group conditioning programs for Olympic and amateur athletes, is a Trainer for two local hockey teams and provides first aid services at community and athletic events.

Registered Kinesiologists

Annemarie Hammond


Registered Kinesiologist

Born and raised in Orillia, Annemarie completed her undergrad at Nipissing University, graduating with honours in Physical and Health Education with a minor in Business Administration. She then pursued a graduate certificate in Exercise Science and Lifestyle Management at Humber College. Her education gave her a balance between kinesiology and teaching which allows her to take a different approach to therapeutic exercise.


Jessica Gregson


Honours Bachelor of Physical Education

RCSEP Certified Exercise Physiologist®

CPR & First Aid

Raised in Orillia, Jessica gained an interest for the health and rehabilitation field while playing competitive sports as a teenager. To further this interest, Jessica then attended Brock University and graduated in 2015 with an Honours Degree in Physical Education. She then attended Niagara College and completed a post-graduate certificate program in Exercise Science for Health and Performance.

Rebecca Denis


Bachelor of Physical Education

Certificate in Health Sciences

Advanced Diploma in Physical Fitness Management

During her post-secondary education in Sudbury, Rebecca obtained a Certificate in Health Sciences and an Advanced Diploma in Physical Fitness Management from Cambrian College.

As a result of her hands-on experience in fitness improvement and assessment at Cambrian College, and volunteer work within senior care settings, Rebecca formed an interest for expanding her knowledge base and experience working with older adults

Registered Massage Therapists

Crystal Gavin


Registered Massage Therapist

Crystal uses her massage therapy experience and expertise to help patients with chronic pain and those recovering from joint replacements, motor vehicle accidents and sports injuries.

Registered Massage Therapists

Jacqueline Calverley


Jacqueline graduated from the three year massage therapy program at Georgian College in 2012. She believes in providing treatments with a balance of relaxation and focused deep tissue massage in order to achieve maximal results and improve client’s overall wellness. She provides clients with a personalized treatment, tailored to each individuals needs.

Office Team