Why Are All My Joints So Loose? Hypermobility, EDS, and Why It Changes How You Should Train

You've always been the flexible one. Double-jointed fingers, elbows that hyperextend, maybe you could put your palms flat on the floor without stretching first. For a long time, it felt like an advantage — yoga came easy, stretching was effortless, people were impressed at parties.

Then things started hurting. Joints that felt loose started feeling unstable. Your shoulder subluxed reaching for something overhead. Your ankles rolled constantly. Your knees ached after walks that shouldn't have been difficult. The flexibility that used to be a feature started feeling more like a liability, and nobody could quite explain why being flexible was making you hurt more, not less.

There's a reason for this, it has a name — or rather, a spectrum of names — and understanding it changes not just how you exercise, but how you should approach physical therapy entirely.

Joint hypermobility exists on a spectrum, from benign, asymptomatic flexibility to hypermobility spectrum disorder (HSD) and hypermobile Ehlers-Danlos syndrome (hEDS), a connective tissue condition affecting the collagen that holds joints together. When connective tissue is too lax, joints move beyond normal ranges, muscles and tendons compensate for the missing structural support, and proprioception (the body's sense of where it is in space) is often impaired. Research shows that targeted strengthening and proprioceptive training significantly improve pain and function in this population — but the approach must be different from standard PT, with slower progressions, emphasis on mid-range control rather than end-range stretching, and longer-term management than a typical 4-6 visit episode of care allows.

Here's what hypermobility actually means at a tissue level, how it's assessed, and why the treatment model matters as much as the treatment itself.

Why Are All My Joints So Loose? Hypermobility, EDS, and Why It Changes How You Should Train:

What Hypermobility Actually Is (and Isn't)

Hypermobility just means joints that move beyond the typically expected range. On its own, it's not a diagnosis — it's a physical finding. A lot of people are hypermobile and never have problems. That's called asymptomatic generalized joint hypermobility, and it doesn't require treatment.

Problems develop when that excess range isn't supported by adequate muscle strength and neuromuscular control. When the connective tissue that normally provides passive joint stability — ligaments, joint capsules, fascia — is more lax than typical, the muscles surrounding the joint have to work harder, for longer, to provide the stability the passive structures aren't contributing. Over time, this creates fatigue, pain, instability, and often injury.

The spectrum, as currently understood, runs from asymptomatic hypermobility through hypermobility spectrum disorder (HSD) — where joints are hypermobile and symptomatic but don't meet full diagnostic criteria for a connective tissue disorder — to hypermobile Ehlers-Danlos syndrome (hEDS), which involves a broader pattern of connective tissue dysfunction including skin elasticity, wound healing differences, and systemic features beyond joint laxity alone.[^1]

The Beighton Score: How Hypermobility Gets Measured

The standard screening tool is the Beighton score — a 9-point scale that assesses flexibility at specific joints: passively bending each pinky finger backward past 90 degrees (1 point each), passively bending each thumb to touch the forearm (1 point each), hyperextending each elbow past straight (1 point each), hyperextending each knee past straight (1 point each), and placing palms flat on the floor with legs straight (1 point).

A score of 5 or higher out of 9 in adults is generally considered the threshold for generalized joint hypermobility.[^2] Children are scored slightly differently (6 or higher) since children are naturally more flexible.

The Beighton score is a screening tool, not a diagnosis. A high score combined with musculoskeletal symptoms prompts further evaluation for HSD or hEDS. A high score without symptoms is just — flexibility.

What Lax Connective Tissue Actually Means for Stability and Proprioception

This is the mechanistic piece that explains why hypermobile people get injured more, hurt more, and need a different training approach.

Stability depends on two systems working together: passive stability from ligaments and joint capsules, and active stability from muscles controlled by the nervous system. In hypermobility, the passive system provides less restraint than typical. That means the active system has to compensate — muscles work overtime, fatigue faster, and are more vulnerable to overload.

Proprioception — your body's sense of joint position — is often impaired in hypermobility. Research has found that joint hypermobility significantly affects proprioceptive accuracy, particularly in mid-range positions (not just at end range), and that this impairment affects grip strength, functional performance, and overall movement quality.[^3] A 2021 systematic review specifically examining physical therapy for hEDS found that proprioceptive and neuromuscular exercises significantly improve pain and function in this population.[^4]

This proprioceptive deficit is a genuinely important piece of the puzzle, because it means hypermobile individuals aren't just structurally loose — their nervous system also has a harder time knowing exactly where their joints are during movement, which compounds instability and injury risk.

Why Standard PT Often Falls Short for This Population

Here's the uncomfortable truth, and it's worth stating directly: a lot of hypermobile patients have had frustrating experiences with physical therapy. Not because PT doesn't work for hypermobility — the evidence clearly shows it does — but because the standard PT model often doesn't fit what this population actually needs.

The typical insurance-based PT model involves 30-45 minute sessions (often less actual 1:1 time), a 4-6 visit authorization window, and a protocol-driven approach designed for acute injuries that resolve in weeks. Hypermobility doesn't fit any of that.

Hypermobile patients need slower progressions — tissue that's inherently lax doesn't tolerate aggressive loading the way structurally normal tissue does. Pushing too hard too fast is one of the most common reasons hypermobile patients feel worse after PT rather than better.

They need longer-term management — building the muscle strength and neuromuscular control to compensate for lax connective tissue isn't a 6-visit project. It's more like a 3-6 month process, minimum, with ongoing maintenance beyond that.

They need genuine 1:1 attention — hypermobile patients often compensate in subtle ways during exercises, moving through their excessive range rather than controlling the mid-range where stability actually needs to be built. Catching and correcting these compensations requires a therapist who's watching closely, every rep, not supervising four patients at once.

And they need a therapist who understands the condition specifically — not just "you're flexible, let's strengthen you," but someone who understands why certain exercises need modification, why mid-range control matters more than end-range strength, why traditional stretching is often counterproductive, and why the timeline for meaningful improvement is genuinely longer than for most other orthopaedic conditions.

How Training Should Be Different for Hypermobile People

Research supports a specific training framework for hypermobility that differs from standard strengthening in important ways.[^5]

Isometric exercises first. Building strength without moving the joint through its full (excessive) range. This is the safest and most effective starting point, providing stability without asking lax tissue to control a range it can't handle yet.

Closed-chain exercises preferred. Movements where the hand or foot is fixed (squats, push-ups, planks) inherently provide more joint stability than open-chain movements (leg extensions, bicep curls) where the limb moves freely through space.

Mid-range control emphasized over end-range. The goal isn't to make a hypermobile joint work at the extremes of its range — it's to build control and strength in the functional middle range where most real-world activity occurs. Proprioceptive training specifically targeting mid-range has been shown to produce significant improvements.[^6]

Progressive resistance training is safe and effective when supervised. Research has demonstrated that even heavy resistance training is feasible in patients with confirmed EDS, with improvements in both tendon and muscle properties — challenging the misconception that hypermobile people can't or shouldn't lift heavy.[^7]

Stretching is generally deprioritized or avoided entirely. Hypermobile individuals already have more range than they need. Adding stretching to an already-lax system is counterproductive and can increase instability.

Why Cash-Based PT Is Often the Best Fit for This Population

This isn't a sales pitch — it's a practical reality that hypermobile patients often discover the hard way after cycling through insurance-based PT episodes that don't give them enough time, enough attention, or enough visits to actually make a difference.

A cash-based model like ours provides hour-long 1:1 sessions (every minute with your therapist, not shared with other patients), no arbitrary visit limits dictated by insurance authorization, the ability to progress at the pace your tissue actually tolerates rather than the pace an insurance company expects, and continuity with the same therapist who understands your specific presentation.

For a condition that requires slow, careful, individualized progression over months — not weeks — this model genuinely serves hypermobile patients better than any model constrained by insurance limitations.

When It's Worth Getting Assessed

Worth scheduling an evaluation if: you've always been "flexible" but are now dealing with joint pain, instability, or recurrent injuries, you've tried PT before without much improvement (especially if sessions felt rushed or exercises made you feel worse), you've been told you might have hypermobility or EDS and want to understand what that means for exercise and training, or you score high on the Beighton scale and are experiencing musculoskeletal symptoms.

Common Questions About Hypermobility and PT

Is being hypermobile always a problem?

No — many hypermobile people are asymptomatic. It becomes a problem when the excess range isn't supported by adequate muscle strength and neuromuscular control, leading to pain, instability, or injury.

How is EDS different from general hypermobility?

EDS involves broader connective tissue dysfunction beyond just joint laxity — including skin elasticity, wound healing differences, and sometimes vascular or organ involvement depending on the subtype. hEDS specifically is diagnosed using clinical criteria beyond just the Beighton score.

Can I actually build meaningful strength with lax connective tissue?

Yes — research has directly demonstrated that progressive resistance training improves both muscle and tendon properties in EDS patients, and that strengthening is both safe and essential for management.

Why did my previous PT make me worse?

Often this reflects progressions that were too aggressive, exercises performed at end-range rather than mid-range, or sessions that were too short or infrequent to build lasting change in a condition that needs slow, sustained work.

Should I stop doing yoga?

This depends on your specific presentation, but hypermobile individuals generally benefit from reducing or modifying activities that emphasize end-range flexibility and replacing them with activities emphasizing strength and control.

How long does treatment actually take for hypermobility?

Meaningfully longer than a typical orthopaedic condition — initial strengthening and stabilization typically takes 3-6 months of consistent work, with ongoing maintenance beyond that to sustain gains.

Is proprioceptive training really that important?

Yes — research has found measurable proprioceptive deficits in hypermobile individuals, and proprioceptive training specifically has been shown to produce significant improvements in pain, function, and joint stability.

Will I always need to manage this, or can it be "fixed"?

Connective tissue laxity is constitutional — it doesn't change. But the strength, control, and proprioception around that laxity absolutely can improve, often dramatically. Most people reach a point where management becomes maintenance rather than active treatment.

Why Are All My Joints So Loose? Hypermobility, EDS, and Why It Changes How You Should Train: Bottom Line

Hypermobility isn't just "being flexible" — when lax connective tissue outpaces the muscular and neuromuscular support around it, the result is pain, instability, and recurrent injury. Research clearly supports targeted strengthening and proprioceptive training as effective treatment, but the approach needs to be slower, more individualized, and longer-term than standard PT typically provides. For this population specifically, the 1:1, time-unrestricted, insurance-free treatment model isn't a luxury — it's often the difference between PT that works and PT that doesn't.

Dealing with joint instability, pain, or recurrent injuries alongside unusual flexibility?

Schedule a Physical Therapy Evaluation at Nashville Physical Therapy & Performance. You'll get completely 1:1 care with your therapist for the entire visit — no aides, no split attention, and no insurance-dictated visit limits. We'll assess where you fall on the hypermobility spectrum, identify your specific stability and proprioceptive deficits, and build a plan designed for the pace your body actually needs. Available at East Nashville, West Nashville/The Nations, Brentwood, and our new Goodlettsville location with both orthopedic and pelvic floor services. Call 615-428-9213 or book online at nashvillept.com.

References

[^1]: Physical Therapy Guide to Hypermobility Spectrum Disorders. American Physical Therapy Association / ChoosePT. 2025.

[^2]: The Hypermobility Spectrum: A Physical Therapist's Guide to Ehlers-Danlos Management. Movement-X clinical reference. 2025.

[^3]: The effects of joint hypermobility on strength, proprioception, and functional performance. Scientific Reports. 2025;15:40529.

[^4]: Reychler G, et al. Physical therapy treatment of hypermobile Ehlers-Danlos syndrome: A systematic review. American Journal of Medical Genetics Part A. 2021.

[^5]: Therapeutic Management of Pediatric Hypermobility. Cincinnati Children's Evidence-Based Care Guideline. 2025.

[^6]: Therapeutic Management of Pediatric Hypermobility. Cincinnati Children's Evidence-Based Care Guideline. 2025.

[^7]: The Hypermobility Spectrum: A Physical Therapist's Guide to Ehlers-Danlos Management. Movement-X clinical reference. 2025.