What is the Mulligan Concept™?
The Mulligan Concept™ is a manual-therapy framework developed by New Zealand physiotherapist Brian Mulligan in the 1980s. It combines a sustained, pain-free joint mobilization — applied by the clinician — with an active movement performed by the patient. The defining requirement is that the technique restores function immediately and without provoking the symptom that brought the patient in.
The framework is taught and credentialed internationally by the Mulligan Concept Teacher Association (MCTA) and is used by physical therapists, athletic trainers, occupational therapists, and chiropractors in 40+ countries. The Clinician Edge is the MCTA-accredited delivery partner in North America.
Origin
Where it came from
Brian Mulligan was a clinical physiotherapist in Wellington, New Zealand, who began noticing in the late 1970s that certain positional faults in joints — small, often imperceptible deviations from normal alignment — could explain stubborn pain that didn't respond to standard treatment.
Through clinical observation he developed the technique now called Mobilization With Movement™: applying a sustained accessory glide to a joint while asking the patient to actively perform the previously painful motion. When the glide direction was correct, the motion became immediately pain-free, and the improvement carried over after the glide was released.
The framework expanded through the 1980s and 1990s into a comprehensive system covering the spine and every major peripheral joint. Mulligan published his textbook (“Manual Therapy: NAGS, SNAGS, MWMs, etc.”) and began teaching internationally. The Mulligan Concept Teacher Association (MCTA) was founded to credential instructors and preserve the integrity of the curriculum — today there are accredited MCTA instructors in 40+ countries.
Core principles
What makes a technique “Mulligan”
Principle 01
Pain-free during application
If the technique provokes the patient's symptom, the glide direction or grade is wrong. The clinician adjusts until the motion becomes pain-free — or chooses a different intervention.
Principle 02
Patient-active
The patient performs the previously restricted movement during the mobilization. This pairs the new joint kinematics with motor control and proprioception in real time.
Principle 03
Functional, not just structural
MWM targets the movement that actually limits the patient (reaching, rotating, walking) — not abstract joint accessory motion. The outcome measure is what the patient can do, immediately.
Principle 04
Reproducible & teachable
The framework is built around principles a clinician can replicate session-to-session and patient-to-patient. The Mulligan textbook documents specific techniques with precise hand placements, glide directions, and dosages.
Technique families
The four foundational technique families
Almost every Mulligan technique you'll see in clinic is a member of one of these four families. The course curriculum is organized around teaching them deeply enough that you can choose and adapt the right technique for the patient in front of you.
MWM
Mobilization With Movement™
The foundational family. The clinician applies a sustained accessory glide to a joint while the patient actively performs a previously restricted or painful motion. When done correctly, the movement becomes pain-free during the technique and the new range carries over after the glide is released.
NAG
Natural Apophyseal Glide
A passive, oscillatory mobilization applied along the facet plane of the cervical or upper thoracic spine. Used for stiffness and pain in the mid-cervical and upper-thoracic region. Typically delivered in a sustained, rhythmic manner.
SNAG
Sustained Natural Apophyseal Glide
The patient-active analog of the NAG. The clinician applies a sustained facet-plane glide while the patient actively performs the restricted motion (rotation, flexion, side-bend). Used extensively in cervical, thoracic, and lumbar spine. Self-SNAG variations let patients perform the technique at home with a strap.
PRP
Pain Release Phenomenon
A sustained, comfortable end-range pressure technique used for chronic, focal pain points where movement-based MWM is less appropriate. Held for several minutes; the pain is expected to fade and not return when the pressure is released.
Evidence
What the research says
The Mulligan Concept™ has accumulated a substantial peer-reviewed evidence base over the past three decades, with the strongest support in a handful of clinical applications.
Cervicogenic headaches
Multiple RCTs support cervical SNAGs for reducing headache frequency and intensity in cervicogenic headache populations, often with effect sizes superior to passive mobilization alone.
Lateral epicondylalgia (tennis elbow)
Mulligan's 'mobilization with movement' for lateral elbow pain is one of the most studied techniques in the framework, with RCT evidence for immediate pain reduction and improved grip strength.
Lateral ankle sprain
MWM techniques for the talus are supported by RCT evidence demonstrating improvements in dorsiflexion range and weight-bearing function in subacute and chronic ankle sprain populations.
Shoulder impingement & pain
MWM applied to the shoulder shows positive outcomes for pain-free range of motion and patient-reported function, particularly when combined with exercise.
Who uses it
Who learns the Mulligan Concept™
MCTA-accredited courses are open to clinicians who can perform hands-on patient assessment and treatment.
Physical Therapists
The largest cohort. Mulligan is taught in many DPT curricula and shows up across orthopedic, sports, and outpatient practice.
Athletic Trainers
Especially relevant for return-to-play decisions and sideline care of acute joint injuries.
Occupational Therapists
Particularly applicable to upper-quadrant practice — wrist, elbow, shoulder, cervical spine.
Chiropractors & DOs
Mulligan complements existing manual-therapy skill sets with a structured, pain-free, patient-active framework.
How to learn it
Reading is the primer. The lab is the teacher.
The Mulligan Concept™ is fundamentally a hands-on framework. You can read the textbook cover to cover and still be unsafe with a real patient on the table. The MCTA-accredited course pathway exists because supervised lab time is the only way to develop the touch sensitivity, technique selection, and clinical reasoning the framework requires.
The Clinician Edge teaches the full MCTA curriculum in the United States: a 5-course progression that builds toward the Certified Mulligan Practitioner credential.
Common questions
FAQ
The questions clinicians and curious patients ask most often about the Mulligan Concept™.
- What is the Mulligan Concept™ in one sentence?
- The Mulligan Concept™ is a manual-therapy approach that combines a sustained, pain-free joint mobilization (applied by the clinician) with an active patient movement, with the goal of restoring functional range of motion immediately and without provoking symptoms.
- Who created the Mulligan Concept™?
- The Mulligan Concept™ was developed by Brian Mulligan, FNZSP (Hon), O.N.Z.M., a New Zealand physiotherapist. He began publishing the framework in the 1980s after observing that combining sustained joint mobilization with active patient movement produced consistently better outcomes than either intervention alone.
- What does MWM stand for?
- MWM stands for Mobilization With Movement™ — the foundational technique family in the Mulligan Concept™. The clinician applies a sustained accessory glide to a joint while the patient actively performs the previously painful or restricted movement.
- What is a SNAG?
- SNAG stands for Sustained Natural Apophyseal Glide. It's a Mulligan technique used predominantly in the spine — the clinician applies a sustained glide along the natural facet plane while the patient actively performs the previously restricted motion (rotation, flexion, etc.). The defining feature is that the technique should be pain-free during application.
- Is the Mulligan Concept™ evidence-based?
- Yes. There are peer-reviewed randomized controlled trials supporting MWM techniques for cervicogenic headaches, lateral epicondylalgia (tennis elbow), ankle sprains, and shoulder impingement, among other conditions. The Mulligan Concept Teacher Association (MCTA) maintains an evidence-base summary that's updated regularly.
- What's the difference between Mulligan, Maitland, and McKenzie?
- All three are manual-therapy frameworks for the spine and extremities, but they differ in approach. Maitland emphasizes graded passive accessory mobilizations based on pain provocation. McKenzie emphasizes patient-driven repeated movements to identify a directional preference. Mulligan combines clinician-applied sustained mobilization with concurrent active patient movement, with a defining requirement that the technique is pain-free.
- Who can learn the Mulligan Concept™?
- Licensed physical therapists, athletic trainers, occupational therapists, chiropractors, and osteopathic physicians can take MCTA-accredited Mulligan Concept™ courses. The Clinician Edge teaches the curriculum in the United States.
- What is the CMP credential?
- CMP stands for Certified Mulligan Practitioner. It's the international credential administered by the Mulligan Concept Teacher Association (MCTA) and is recognized in 40+ countries. To earn it, a clinician completes the five-course Mulligan curriculum and passes a practical and written examination.
- How long does it take to become a CMP?
- Most clinicians complete the CMP pathway over 12–24 months, depending on course availability in their region. The pathway is five 2-day courses (Upper Quadrant, Lower Quadrant, Advanced, Introductory recommended, and the CMP examination).
- Where can I take a Mulligan Concept™ course in the United States?
- The Clinician Edge offers MCTA-accredited Mulligan Concept™ courses across the United States — see the live calendar of upcoming dates and locations.
Citation: The Clinician Edge. “What is the Mulligan Concept?” Authored by Jarrod Brian, Jennifer Hamsher, Mark Thomson. Published April 2026, updated continuously.