Physical Therapy for Ehlers-Danlos Syndrome: A Clinician's Guide

You don't need a genetics background to treat hypermobile patients well. You need a framework, because the standard orthopedic playbook was not built for connective tissue that behaves differently, and running it unmodified is usually where things go sideways. This guide is that starting framework: what to recognize, how to evaluate, what changes in treatment, which comorbidities matter, and when to bring someone else in.

Why This Population Is Already in Your Caseload

Generalized joint hypermobility affects an estimated 10 to 20 percent of adults and up to 34 percent of children, and among patients presenting to rheumatology or pain clinics specifically, roughly 37 to 39 percent screen positive for hypermobility.[1] These patients are most likely to show up first in an orthopedic or musculoskeletal PT clinic, not a specialist's office.[1] hEDS and HSD were reclassified in 2017, replacing older terms like Joint Hypermobility Syndrome, and diagnosis remains clinical, based on a combination of joint hypermobility, systemic features, and exclusion of other conditions, with no lab test to confirm it.[2] That combination, common and easy to miss in a standard eval, is exactly why a framework helps.

Recognizing the Pattern

No single sign is diagnostic.

Together, a cluster of them is worth acting on:

• A recovery timeline that will not resolve on the expected schedule despite a correct diagnosis and appropriate treatment

• A history of recurrent injuries across unrelated joints, without one biomechanical cause tying them together

• Standard strengthening protocols that provoke more pain or fatigue instead of building tolerance[3]

• Symptoms outside the joint: fatigue, lightheadedness, GI complaints, or anxiety specifically around movement[2]

• A flexibility history that shows up in questions, not just in the exam room: could they touch palms to floor without bending their knees as a teenager, did a shoulder or kneecap ever pop out on its own

We go deeper on each of these, with the supporting research, in "5 Signs Your 'Difficult' Ortho Patient May Be Hypermobile"

Evaluation: Beyond a Single Snapshot Exam

History carries as much weight as the current exam. The Ehlers-Danlos Society's five-part questionnaire (palms flat to floor, thumb to forearm, childhood contortion or splits, recurrent joint dislocation, self-identifying as double-jointed) can surface a history of laxity that has since stiffened with age, which a single Beighton assessment might miss.[4]

The Beighton score itself is a 9-point screen: little finger dorsiflexion at the MCP joint past 90 degrees, thumb apposition to the forearm, elbow and knee hyperextension past 10 degrees, and forward trunk flexion with palms flat and knees straight, each worth a point.[5] Positive cutoffs shift with age: 6 or more pre-puberty, 5 or more from 18 to 50, 4 or more after 50.[5] It's a useful screen and not a complete evaluation on its own, a distinction we cover in more depth in an upcoming post on the Beighton score's uses and limitations.

Treatment Principles: Build Trust Before You Build Length or Load

The single biggest mindset shift: muscle guarding in a hypermobile patient is usually not a dysfunction to correct. It's a stabilization strategy. Ligaments and joint capsules contribute less passive stability in these patients, which shifts more of the stabilization workload onto muscle and onto the nervous system's ability to control it.[3] A controlled study found that patients with EDS were measurably less precise at proprioceptive tasks than healthy controls, and that imprecision correlated with hypermobility severity.[6] When the nervous system can't fully trust where a joint is in space, background muscle tension is a reasonable fallback, and stretching that tension away without addressing the underlying instability tends to be short-lived at best.

This is why hypermobility-informed treatment leans toward proprioceptive and motor control work before it leans toward range or load: give the nervous system a joint it can trust, and guarding around it tends to ease on its own. We walk through the mechanism and a clinical case example in "That 'Tight' Muscle Might Be Doing Its Job".

Specific guidance on when stretching is and isn't appropriate, and how to structure strength progressions for a patient who is already unstable, are covered in dedicated posts coming later in this series.

The Comorbidities That Change Your Plan of Care

Two are worth building into your default intake questions.

POTS. In a UK cohort of patients living with postural orthostatic tachycardia syndrome, 55 percent were found to have hEDS or generalized joint hypermobility.[7] Exercise intolerance is a defining feature of POTS, not a motivation issue, and standard upright cardio warmups can trigger the exact dizziness and tachycardia that make patients quit on a program.[8] The fix isn't avoiding cardio, it's beginning training in a recumbent position and building tolerance to upright postures in graded steps. This is the same structure behind the Levine (Dallas) Protocol and the CHOP Modified Protocol, two published, community-recognized exercise programs your patient may already have encountered.[9] Full session-planning detail is in "Why POTS Changes Your PT Session"

MCAS. The evidence here is growing but not yet settled. Prevalence estimates for mast cell activation syndrome in hypermobile populations vary widely, from roughly 2 percent to 87 percent, largely depending on which diagnostic criteria a given study uses.[10] What's consistent across the literature is the symptom cluster to watch for: flushing, hives, or GI symptoms triggered by exercise or temperature change. You're not diagnosing MCAS. You're recognizing a pattern worth a referral conversation.

When to Refer, and to Whom

A few findings should change your plan before you progress further:

• Neurological signs (numbness, weakness, bowel or bladder changes, severe headache with position change): screen for upper cervical instability using a consensus-guided approach before progressing manual therapy or load.[11]

• Suspected vascular EDS features (translucent skin, easy arterial bruising, family history of organ or vessel rupture): coordinate with genetics before aggressive manual therapy.[3]

• Suspected MCAS symptoms, as above: loop in the patient's physician or an allergy and immunology referral rather than working around it silently.

The Diagnostic Odyssey Is Real, and PT Is Often Part of It

Adults with hEDS wait an average of 10.4 years and see roughly 15.6 clinicians before diagnosis, and receive an average of 10.45 alternative diagnoses along the way, with anxiety, depression, and migraine among the most common.[12] Physical therapy is frequently one of the earliest stops on that path, and one of the most information-rich, because it's where the body is asked to do something and the response gets watched closely over multiple visits. A protocol that backfires isn't noise. It's data. We tell one composite version of this story, and what changes when the pattern gets recognized, in "The Patient Who Has Seen Six Providers and Still Doesn't Have an Answer"

Want a structured framework for recognizing, evaluating, and treating hypermobile patients?

Download the Hypermobile Patient Quick Screen, a one-page clinical reference built from the sources cited throughout this guide.

Want more guidance? EDS Essentials is an asynchronous clinician course from Flourish Physical Therapy that goes deeper into everything outlined above.

Join the early-access list

References

1. Russek LN. First, Do No Harm. Why You Should Identify Hypermobile Patients. JOSPT Blog. Published May 10, 2023. https://www.jospt.org/do/10.2519/jospt.blog.20230510/full/

2. Yew KS, Kamps-Schmitt KA, Borge R. Hypermobile Ehlers-Danlos Syndrome and Hypermobility Spectrum Disorders. Am Fam Physician. 2021;103(8):481-492.

3. Russek LN, Stott P, Simmonds J. Recognizing and Effectively Managing Hypermobility-Related Conditions. Phys Ther. 2019;99(9):1189-1200. doi:10.1093/ptj/pzz078

4. The Ehlers-Danlos Society. Assessing Joint Hypermobility. https://www.ehlers-danlos.com/assessing-joint-hypermobility/

5. Physiopedia. Beighton Score. https://www.physio-pedia.com/Beighton_Score

6. Clayton HA, Jones SAH, Henriques DYP. Proprioceptive precision is impaired in Ehlers-Danlos syndrome. Springerplus. 2015;4:323. doi:10.1186/s40064-015-1089-1

7. Pearce G, Holliday N, Sandhu H, et al. Co-creation of a complex, multicomponent rehabilitation intervention and feasibility trial protocol for the PostUraL tachycardia Syndrome Exercise (PULSE) study. Pilot Feasibility Stud. 2023;9(1):143. doi:10.1186/s40814-023-01365-4

8. Trimble KZ, Switzer JN, Blitshteyn S. Exercise in Postural Orthostatic Tachycardia Syndrome: Focus on Individualized Exercise Approach. J Clin Med. 2024;13(22):6747. doi:10.3390/jcm13226747

9. Fu Q, Levine BD. Exercise and non-pharmacological treatment of POTS. Auton Neurosci. 2018;215:20-27. doi:10.1016/j.autneu.2018.07.001

10. Yao L, Subramaniam K, Raja KM, et al. Association of postural orthostatic tachycardia syndrome, hypermobility spectrum disorders, and mast cell activation syndrome in young patients; prevalence, overlap and response to therapy depends on the definition. Front Neurol. 2025. doi:10.3389/fneur.2025.1513199

11. Chalela S, Russek LN. Presentation and physical therapy management using a neuroplasticity approach for patients with hypermobility-related upper cervical instability: a brief report. Front Neurol. 2024;15:1459115. doi:10.3389/fneur.2024.1459115

12. Halverson CME, Cao S, Perkins SM, Francomano CA. Comorbidity, misdiagnoses, and the diagnostic odyssey in patients with hypermobile Ehlers-Danlos syndrome. Genet Med Open. 2023;1(1):100812. doi:10.1016/j.gimo.2023.100812