My Neck Pinches When I Look Back While Backing Up—What Could Be Causing It?

Understanding Neck Pain With Rotation, Cervical Joint Sensitivity, Muscle Guarding, Arthritis, Nerve Irritation, and Why Turning Farther in One Direction Can Expose a Problem
Picture of Written and Clinically Reviewed by Dr. Geoffrey Doyle, DC

Written and Clinically Reviewed by Dr. Geoffrey Doyle, DC

Doctor of Chiropractic | 22+ Years Experience

Our goal is simple: to find the cause of your pain, relieve it naturally, and help you stay well for the long run.

– Dr. Geoffrey Doyle

Key Takeaways

Looking over your shoulder while backing up requires substantial neck rotation, often combined with a small amount of extension. That can expose a movement limitation that is barely noticeable during ordinary daily activity.

A sharp pinch on one side of the neck does not automatically mean a vertebra is out of place. Cervical joints, muscles, age-related changes, and other sensitive structures can all make end-range rotation painful.

How far you can turn matters, but so does what happens when you turn. Local neck pain creates a different clinical picture from rotation that produces arm pain, numbness, tingling, or weakness.

The goal is usually not to teach someone to avoid turning the neck forever. When appropriate, treatment can progressively restore comfortable rotation and the strength and control needed for driving and everyday activities.

Severe unusual neck or head pain, significant trauma, progressive arm weakness, new problems with balance or walking, hand clumsiness, or other significant neurological symptoms require appropriate medical evaluation.

“I Don’t Notice My Neck Until I Have to Back Out of a Parking Space”

Some neck problems announce themselves all day.

Others appear during one very specific task.

A patient may be able to:

  • Work
  • Walk
  • Watch television
  • Use a computer
  • Drive forward

without thinking much about the neck.

Then they put the car in reverse, turn to look behind them, and feel:

“There it is—that sharp pinch.”

That particular movement tells us something useful.

Looking over the shoulder while backing up often takes the neck much closer to the end of its available rotation than ordinary conversation or most daily activities.

The problem may therefore have been present at lower levels without becoming obvious until the patient asks the neck for more motion.

Backing Up Is a Real-World Neck Rotation Test

Turn your head slightly to speak with someone beside you.

Now compare that with trying to look through the rear window of a vehicle.

The second task requires considerably more rotation.

Depending on how the person moves, it may also involve:

  • A small amount of neck extension
  • Thoracic rotation
  • Shoulder movement
  • Trunk rotation

That combination can reveal:

  • Restricted cervical motion
  • Painful end-range rotation
  • Joint sensitivity
  • Muscle guarding
  • Neurological symptoms

that may not appear during smaller movements.

Where the Pinch Occurs Matters

When a patient says:

“My neck pinches when I look behind me.”

Dr. Geoffrey Doyle wants to know where.

Is it:

  • High near the base of the skull?
  • In the middle of the neck?
  • Low near the neck and shoulder?
  • Directly on one side?
  • Spreading toward the shoulder blade?
  • Traveling into the arm?

Those are not equivalent patterns.

The exact location and symptom behavior help shape the differential diagnosis.

One-Sided Neck Pain During Rotation Is Common

Turning the head changes the mechanical relationships between:

  • Cervical joints
  • Muscles
  • Other surrounding tissues

A sensitive structure may tolerate the middle portion of the movement comfortably and become painful only near the end.

Patients often describe that sensation as:

  • Pinching
  • Catching
  • Jamming
  • Blocking
  • Stabbing

Those words describe the experience.

They do not prove that something has physically shifted out of position.

A “Pinch” Does Not Mean a Vertebra Is Out of Place

The neck can feel mechanically stuck without a cervical vertebra being dislocated.

True cervical dislocation is a serious traumatic injury.

It is very different from the common experience of waking up stiff or feeling a localized pinch while turning the head.

Muscle guarding, joint sensitivity, pain, and reduced motion can all create a strong sensation that:

“Something needs to pop back into place.”

A useful treatment explanation should help the patient understand the problem without creating unnecessary fear or dependence on the idea that the spine repeatedly moves out of alignment.

The Cervical Facet Joints Can Be Sensitive During Turning

The cervical spine contains paired facet joints that help guide neck movement.

Rotation changes the load and position of these joints.

In some patients, localized pain near the end of rotation may be consistent with facet-joint sensitivity.

The patient may notice:

  • One-sided neck pain
  • Restricted turning
  • Pain near end range
  • Symptoms that remain relatively local

But no single painful movement definitively proves that a facet joint is responsible.

The entire examination matters.

Muscle Guarding Can Reduce Rotation

The muscles of the neck help:

  • Produce movement
  • Control movement
  • Support the head

When the neck becomes painful, those muscles may guard.

The patient may feel:

  • Tightness
  • Stiffness
  • Resistance to turning

Sometimes the patient assumes the tight muscle caused everything.

But muscular guarding may also be a response to an irritated joint or another painful structure.

Treating the muscle alone may therefore be incomplete.

Age-Related Changes Can Make End-Range Rotation Less Comfortable

As people age, the cervical spine commonly develops structural changes such as:

  • Disc degeneration
  • Facet-joint degeneration
  • Osteophytes

These findings are often described collectively as cervical spondylosis or degenerative change.

They can contribute to:

  • Stiffness
  • Reduced motion
  • Neck pain

in some patients.

But imaging findings must be interpreted carefully.

Degenerative changes are common even in people who do not have significant neck pain.

An X-Ray That Shows Arthritis Does Not Explain Every Painful Turn

Suppose a patient has cervical arthritis on an X-ray.

That finding may be clinically relevant.

But it does not automatically tell us:

  • Which structure hurts
  • Why symptoms began this week
  • Why one direction is worse
  • How much function can improve

Imaging provides structural information.

The history and examination tell us how the neck is behaving.

Both pieces need to fit together.

Stiffness Does Not Mean the Neck Should Stop Moving

When someone learns they have arthritis, they may become hesitant to turn the neck.

They may think:

“If it’s worn out, shouldn’t I move it less?”

Not necessarily.

For many musculoskeletal conditions, maintaining appropriate movement and physical capacity is beneficial.

The objective is not to force a painful arthritic neck into extreme motion.

It is also not to teach the patient that ordinary neck movement is dangerous.

We want the best comfortable function that the neck can reasonably achieve.

Why Turning Right May Hurt but Turning Left Does Not

Neck symptoms are frequently asymmetric.

A patient may be able to look comfortably over the left shoulder but feel a sharp restriction turning right.

That can reflect differences in:

  • Joint sensitivity
  • Muscle guarding
  • Previous injury
  • Available motion

Side-to-side comparison can therefore be useful during the examination.

But asymmetry alone is not automatically abnormal.

Human bodies are rarely perfectly symmetrical.

The question is whether the difference is meaningful to the patient’s symptoms and function.

A Previous Whiplash Injury Can Remain Relevant

A history of a motor-vehicle collision can matter when evaluating restricted or painful cervical rotation.

After an injury, some patients develop persistent problems involving:

  • Pain
  • Movement
  • Muscle function
  • Headaches
  • Activity tolerance

That does not mean every episode of neck pain years later is automatically caused by the previous collision.

But prior injury is part of the clinical history and may influence the current presentation.

Looking Back While Driving Requires More Than Neck Motion

When people check behind them, they can rotate through:

  • The neck
  • Thoracic spine
  • Trunk

The amount contributed by each region varies.

A person with limited neck rotation may naturally rotate the torso more.

That is not necessarily a harmful compensation.

But if the patient is struggling to check traffic safely, the functional limitation becomes important regardless of which region supplies the movement.

Driving Safety Comes Before Proving How Far the Neck Can Turn

If a patient cannot comfortably rotate enough to check surrounding traffic, the immediate solution is not:

“Force your neck farther because you need the range.”

During a painful episode, patients should use the vehicle’s available:

  • Mirrors
  • Backup camera
  • Parking sensors
  • Other safety systems

appropriately while still following safe driving practices.

If neck restriction prevents a person from safely observing the environment while driving, that functional problem deserves attention.

A Backup Camera Does Not Make Neck Rotation Irrelevant

Modern vehicles reduce how often drivers need extreme rotation.

That is useful.

But comfortable neck rotation still matters for:

  • Changing lanes
  • Checking blind spots
  • Crossing streets
  • Sports
  • Conversations
  • Everyday awareness of the environment

The treatment goal should not simply be:

“Use the camera so you never have to turn.”

If the movement can safely be restored, maintaining useful neck rotation has value beyond backing up a vehicle.

When Turning the Neck Produces Arm Symptoms

The clinical discussion changes when looking over the shoulder causes symptoms to travel into the:

  • Shoulder
  • Arm
  • Forearm
  • Hand

particularly when accompanied by:

  • Numbness
  • Tingling
  • Weakness

Certain cervical positions can alter the space around spinal nerve roots.

If a nerve root is already irritated, turning or extending the neck may reproduce arm symptoms.

That possibility requires a neurological examination.

Arm Pain Does Not Automatically Mean a Pinched Nerve

Many structures can refer pain toward the shoulder or upper arm.

So arm discomfort alone does not prove cervical radiculopathy.

The diagnosis becomes more convincing when the symptom pattern is supported by findings involving:

  • Sensation
  • Reflexes
  • Strength
  • Appropriate provocative testing

The whole pattern matters more than a single symptom.

Progressive Weakness Changes the Urgency

Pain can inhibit strength temporarily.

But true or progressive neurological weakness deserves greater attention.

A patient who is increasingly unable to:

  • Grip
  • Lift the arm
  • Extend the wrist
  • Perform other previously normal movements

may require additional investigation.

The objective is to identify meaningful neurological change rather than assuming every painful arm is simply muscular.

Hand Clumsiness and Balance Problems Are Different From Ordinary Neck Stiffness

Some neurological symptoms can suggest involvement beyond a single irritated nerve root.

Symptoms such as:

  • Increasing hand clumsiness
  • Difficulty with fine motor tasks
  • New balance problems
  • Changes in walking

can be important when cervical spinal cord involvement is a concern.

These symptoms deserve prompt medical assessment and may require advanced imaging or specialist evaluation.

They should not simply be treated as a stiff neck that needs more manipulation.

Dizziness During Neck Turning Requires a Broader View

Some patients report dizziness when turning their head.

Dizziness has many possible causes.

These can involve:

  • Vestibular conditions
  • Medication effects
  • Cardiovascular factors
  • Neurological conditions
  • Other medical causes

Neck symptoms and dizziness can occur together without proving that the neck is the cause of the dizziness.

A careful history is important before assigning a musculoskeletal explanation.

Severe or Unusual Neck and Head Pain Deserves Caution

Most neck pain encountered in outpatient musculoskeletal practice is not dangerous.

But certain presentations require a different pathway.

Sudden or unusually severe neck or head pain—particularly when accompanied by neurological symptoms such as:

  • Facial weakness
  • Speech difficulty
  • Significant dizziness
  • Double vision
  • Loss of coordination
  • Limb weakness or numbness

requires urgent medical evaluation.

These symptoms should not be treated as routine mechanical neck stiffness.

Trauma Changes the Evaluation

If painful rotation began after:

  • A motor-vehicle collision
  • A fall
  • A sports injury
  • Another significant traumatic event

the evaluation must consider the mechanism and possibility of structural injury.

Depending on the circumstances, imaging may be appropriate before certain treatments or exercises are performed.

A traumatically injured neck should not automatically be treated as though it simply needs greater mobility.

When Painful Neck Rotation Deserves Evaluation

Evaluation is appropriate when difficulty looking over the shoulder:

  • Persists
  • Repeatedly returns
  • Interferes with driving
  • Is progressively worsening
  • Significantly limits normal activity
  • Follows meaningful trauma
  • Produces headaches that require further assessment
  • Causes symptoms into the arm
  • Includes numbness or tingling

More prompt medical evaluation is appropriate for:

  • Significant or progressive arm or hand weakness
  • New hand clumsiness
  • New balance or walking problems
  • Severe unusual neck or head pain with neurological symptoms
  • Significant trauma with concern for structural injury
  • Fever or systemic illness with marked neck pain or stiffness

The important question is not simply:

“Why can’t I turn my neck farther?”

It is:

“What happens as I approach the end of rotation, what symptoms does that movement produce, and does this behave like a mechanical neck problem that can be progressively restored—or a neurological, traumatic, or other condition that requires a different pathway?”

How Doyle Chiropractic Evaluates Neck Pain When Looking Back

The evaluation begins by reproducing the patient’s actual problem as safely as possible.

If the complaint is:

“I can turn my head normally until I get almost all the way around to look behind me, and then I feel a sharp pinch on the right.”

that exact pattern is useful.

Dr. Geoffrey Doyle may assess:

  • Cervical rotation in both directions
  • Where in the movement pain begins
  • Whether rotation or rotation combined with extension is more provocative
  • Exact pain location
  • Cervical joint and muscular findings
  • Thoracic movement when relevant
  • Previous neck injuries
  • Shoulder and upper-extremity function when appropriate
  • Arm sensation
  • Reflexes
  • Upper-extremity strength
  • Other neurological findings when indicated

The goal is not simply to document:

“Neck rotation is limited.”

It is to understand why it is limited and what happens when the patient attempts to move farther.

Local Neck Pain and Arm Symptoms Lead to Different Evaluations

Two patients may both be unable to look comfortably over the right shoulder.

The first says:

“It just pinches right here in my neck.”

The second says:

“When I turn that far, pain shoots down my arm and my fingers start tingling.”

Those presentations should not be treated as though they are identical.

Localized mechanical pain may place greater emphasis on:

  • Joint motion
  • Muscular function
  • Movement tolerance

Arm symptoms increase the importance of evaluating:

  • Nerve function
  • Strength
  • Sensation
  • Reflexes
  • Other neurological findings

The symptom behavior helps determine the clinical pathway.

Treatment Should Match the Reason Rotation Hurts

For appropriately selected mechanical neck conditions, conservative treatment may include:

  • Therapeutic exercise
  • Progressive cervical mobility
  • Cervical strengthening and endurance work
  • Thoracic mobility when relevant
  • Chiropractic or manual treatment
  • Soft tissue therapy
  • Temporary modification of provocative activities
  • Class IV laser therapy when clinically appropriate

The combination depends on the diagnosis.

A patient with localized mechanical stiffness does not necessarily require the same approach as someone with:

  • Cervical radiculopathy
  • Significant arthritis
  • Recent trauma
  • Progressive neurological findings

Treatment should follow the clinical picture rather than applying the same neck protocol to everyone.

Restoring Rotation Usually Requires Actually Practicing Rotation

If turning the head has become painful, patients often begin avoiding the movement.

That is understandable.

But once serious pathology has been excluded and symptoms permit, restoring rotation usually requires gradually exposing the neck to rotation again.

That may begin with:

  • Comfortable partial-range turning

and progress toward:

  • Greater range
  • Repeated movement
  • Functional tasks

The objective is not to force the neck through sharp pain.

It is to progressively expand the amount of comfortable, useful motion.

End-Range Motion Can Be Reintroduced Gradually

Someone may tolerate the first 60 degrees of rotation comfortably but develop symptoms near the end.

Rather than repeatedly forcing directly into the sharpest position, rehabilitation can work toward that range progressively.

Over time, we may assess whether the patient can:

  • Turn farther
  • Turn with less discomfort
  • Move more smoothly
  • Maintain the improvement during everyday activity

This provides more useful information than simply asking whether the neck feels “looser.”

Cervical Strength and Endurance Matter Too

Mobility receives considerable attention when someone cannot turn the head.

But neck function is not only about flexibility.

The cervical muscles also need enough capacity to:

  • Support the head
  • Control movement
  • Tolerate sustained positions
  • Recover from repeated activity

A patient whose neck repeatedly becomes painful after prolonged computer work or driving may need endurance work in addition to mobility.

The Thoracic Spine May Be Part of the Functional Solution

Whole-body turning does not come exclusively from the cervical spine.

The thoracic spine and trunk also contribute.

If clinically relevant, treatment may include thoracic mobility or strengthening.

This can be especially useful when the patient’s goal involves:

  • Driving
  • Golf
  • Sports
  • Reaching
  • Other whole-body rotational tasks

But thoracic treatment should not be added simply because every neck patient is assumed to have a stiff upper back.

It should address something meaningful in the examination.

Shoulder Position Can Change the Way Looking Back Feels

Turning to look behind while driving often occurs with:

  • One hand on the steering wheel
  • The opposite arm reaching toward the passenger seat
  • Rotation through the upper trunk

That means the patient’s familiar driving movement may not be reproduced by testing the neck alone.

If needed, we can examine the broader movement pattern to determine what actually produces the symptom.

Real-world function often gives more information than isolated range-of-motion measurements.

Temporary Driving Modifications Can Reduce Provocation

While a painful neck is recovering, a patient may use:

  • Properly adjusted mirrors
  • Backup camera
  • Parking sensors
  • Other available vehicle safety technology

to reduce unnecessary extreme neck rotation.

Seat and mirror positioning can also matter.

But these strategies should supplement safe driving rather than encourage a patient to stop visually checking the surrounding environment when doing so is necessary.

If neck restriction makes driving unsafe, the patient should not simply force through severe pain to prove they can drive.

Manual Treatment May Help Restore Comfortable Motion

Chiropractic or other manual treatment may be incorporated for appropriately selected mechanical neck conditions.

Depending on the examination, treatment may address relevant findings involving the:

  • Cervical spine
  • Thoracic spine
  • Surrounding musculature

Potential goals include improving:

  • Comfortable movement
  • Mechanical sensitivity
  • Exercise tolerance

Manual care should not be explained as repeatedly putting cervical vertebrae that have slipped out of place back into position.

The neck is not routinely dislocating during ordinary daily movement.

Manual Treatment Is Not Appropriate for Every Neck Presentation

Treatment selection changes when the patient has findings suggesting:

  • Significant acute trauma
  • Fracture
  • Cervical instability
  • Progressive neurological deficit
  • Possible spinal cord involvement
  • Another serious medical condition

In those situations, further evaluation may take priority over manual treatment.

Responsible conservative care includes recognizing when a patient needs a different pathway.

Soft Tissue Therapy

Soft tissue treatment may be incorporated when clinically relevant muscular tenderness or guarding is present.

Treatment may involve muscles around the:

  • Neck
  • Upper shoulders
  • Upper back

It may help improve:

  • Temporary comfort
  • Movement tolerance
  • Participation in exercise

But repeatedly treating tight muscles without addressing the movement or capacity problem may provide only temporary benefit.

Class IV Laser Therapy

Class IV laser therapy may be incorporated as an adjunct for selected musculoskeletal neck conditions when clinically appropriate.

It may be used alongside:

  • Therapeutic exercise
  • Progressive mobility
  • Strengthening
  • Manual treatment

Laser therapy does not:

  • Remove cervical osteophytes
  • Reverse advanced degenerative changes
  • Decompress the spinal cord
  • Stabilize a traumatic injury
  • Correct progressive neurological weakness
  • Replace appropriate imaging or specialist referral

Its role should remain supportive and diagnosis-specific.

The Dr. Doyle Perspective

“One of the most common ways patients describe this to me is, ‘Doc, I’m fine until I try to look over my shoulder backing out of the driveway, and then it catches.’ That’s actually useful information because they’re taking the neck much farther into rotation than they normally do during the day. I want to know whether it simply pinches in the neck or whether they’re getting anything into the arm. If it’s a mechanical neck that’s become stiff and sensitive, I don’t want them afraid to turn forever. I want to get that motion comfortable again. But if turning is producing arm weakness, hand problems, balance changes, or other neurological symptoms, then we’re going to investigate that differently.”

— Dr. Geoffrey Doyle, DC

Our Clinical Experience

One patient may say:

“I can turn left perfectly. When I look over my right shoulder, I get one sharp spot in the lower part of my neck.”

That creates a relatively localized mechanical pattern.

Another says:

“Turning right sends tingling all the way into my thumb.”

Now neurological testing becomes much more important.

A third says:

“My neck was already stiff, but this started after I was rear-ended last week.”

Now the recent trauma changes the evaluation.

All three patients have difficulty looking over the shoulder.

They should not automatically receive the same treatment.

Recovery Should Be Measured During Real Turning Tasks

If the patient’s primary complaint is difficulty looking behind while driving, meaningful improvement should eventually include that function.

Depending on the patient’s goals, we may monitor:

  • Cervical rotation
  • Side-to-side differences
  • Pain near end range
  • Ability to check blind spots
  • Ability to look behind while backing
  • Driving tolerance
  • Headache frequency when relevant
  • Arm symptoms when present
  • Strength and neurological findings when indicated

The goal is not simply to produce a better number on a range-of-motion measurement.

It is to restore useful movement.

X-Rays Can Provide Structural Information

X-rays may be useful in selected patients to evaluate:

  • Degenerative changes
  • Certain structural abnormalities
  • Suspected fracture in appropriate circumstances

They can help answer specific clinical questions.

But an X-ray cannot tell us everything about why turning the neck hurts.

And degenerative findings should not automatically be treated as the cause of every symptom.

MRI Becomes More Important When Neurological Structures Are a Concern

MRI can provide detailed information about:

  • Intervertebral discs
  • Nerve roots
  • Spinal canal
  • Spinal cord
  • Other soft tissues

It may become appropriate when the clinical presentation includes:

  • Progressive neurological weakness
  • Persistent radicular symptoms
  • Findings concerning for cervical myelopathy
  • Significant trauma when indicated
  • Persistent symptoms when imaging would meaningfully change management

Routine MRI is generally unnecessary for every uncomplicated mechanical neck complaint.

Imaging Should Explain the Patient, Not Replace the Examination

A cervical MRI may contain terms such as:

  • Disc degeneration
  • Disc bulge
  • Foraminal narrowing
  • Osteophytes
  • Facet degeneration

Those findings may be important.

They may also occur in people without corresponding symptoms.

The clinical question is:

“Does this structural finding match what the patient is experiencing and what we found during the examination?”

Imaging is most useful when it answers that question.

Progressive Weakness Requires Further Evaluation

If arm or hand strength is progressively declining, conservative treatment should not simply continue unchanged.

Further evaluation may include:

  • Advanced imaging
  • Medical assessment
  • Specialist referral

depending on the findings.

Pain alone and progressive neurological loss are not equivalent clinical situations.

Possible Cervical Myelopathy Requires Prompt Attention

Symptoms suggesting possible spinal cord involvement can include:

  • Hand clumsiness
  • Difficulty with fine motor tasks
  • Balance problems
  • Changes in walking
  • Other upper motor neuron findings on examination

These symptoms deserve prompt medical evaluation.

They should not be explained simply as:

“Your neck is out.”

or treated as routine stiffness.

Frequently Asked Questions

Why does my neck pinch when I look over my shoulder?

End-range rotation changes the loading of cervical joints, muscles, and surrounding tissues. Joint sensitivity, muscle guarding, degenerative changes, previous injury, and other mechanical conditions can contribute.

Why does my neck only hurt when I back up the car?

Looking behind while backing often requires considerably more cervical rotation than most everyday activities, which can expose a movement limitation or painful end range that otherwise goes unnoticed.

Does a sharp pinch mean a vertebra is out of place?

No. A painful or restricted neck can feel stuck or jammed without a vertebra being dislocated.

Can neck arthritis make it harder to check my blind spot?

Yes. Cervical degenerative changes can contribute to stiffness and reduced motion in some people. Imaging findings should still be interpreted alongside symptoms and examination findings.

Should I keep stretching into the painful pinch?

Not necessarily. Gentle progressive mobility may be useful for selected mechanical problems, but repeatedly forcing a sharp end-range symptom is not automatically beneficial.

Can an old whiplash injury affect neck rotation?

It can. Previous neck injury may remain relevant to current pain or movement limitations, although not every later episode is necessarily caused by the old injury.

Why does turning my neck make my arm tingle?

Certain neck positions can reproduce symptoms when a cervical nerve root is irritated. Other neurological causes are also possible, so arm numbness or tingling should be evaluated in context.

Can chiropractic care help painful neck rotation?

For appropriately selected mechanical neck conditions, conservative care may include chiropractic or manual treatment, therapeutic exercise, mobility work, strengthening, and other diagnosis-specific interventions. Significant trauma, progressive neurological deficits, possible spinal cord involvement, and other serious conditions require appropriate medical evaluation.

Do I need an X-ray or MRI because I cannot turn my neck?

Not automatically. Imaging is generally based on the history, examination, trauma, neurological findings, persistence of symptoms, and whether the result is likely to change management.

Should I use my backup camera instead of turning my neck?

Vehicle technology can reduce the amount of extreme neck rotation required during a painful episode, but it should be used as part of safe driving rather than as a permanent substitute for useful neck movement when that movement can safely be restored.

When should painful neck rotation be evaluated urgently?

Prompt medical evaluation is appropriate for significant or progressive weakness, new hand clumsiness, new balance or walking problems, severe unusual neck or head pain with neurological symptoms, significant trauma, or fever or systemic illness associated with marked neck pain or stiffness.

Written and Clinically Reviewed by Dr. Geoffrey Doyle, DC

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