Hip Pain or Back Pain? How the Source Is Assessed

Hip-joint pain is commonly felt in the groin and may worsen with walking, getting into a car or putting on shoes. Back-related pain more often involves the lower back, buttock or symptoms extending down the leg with numbness or tingling. However, these patterns overlap, and both conditions can occur together. Examination is often more informative than pain location alone.

Why Are Hip and Back Problems Easily Confused?

The hip and lumbar spine are anatomically close and share overlapping nerve pathways.

A hip problem may cause pain in the:

• Groin
• Buttock
• Thigh
• Knee
• Lower back

A spinal problem may cause pain in the:

• Lower back
• Buttock
• Hip region
• Groin
• Thigh
• Lower leg
• Foot

Imaging of both regions may also show age-related abnormalities, making it difficult to know which finding matters.

This overlap is sometimes called hip–spine syndrome.

Hip vs Back Pain at a Glance

Feature	More suggestive of hip-joint pain	More suggestive of lumbar spine or nerve pain
Groin pain	Common	Possible but less typical
Pain below the knee	Less typical	More suggestive, especially with neurological symptoms
Numbness or tingling	Unusual from an isolated hip joint problem	More suggestive
Back pain	May be secondary	Common but not essential
Difficulty putting on shoes	Common with hip stiffness	Less specific
Difficulty getting into a car	Common	Possible
Reduced hip rotation	Common	May be normal
Pain with hip movement	Common	May occur indirectly
Pain with spinal movement	May occur secondarily	More suggestive
Weakness in a nerve pattern	Unusual	More suggestive
Reflex or sensory changes	Not expected from the hip alone	May occur
Relief when sitting or bending forward	Not typical	May occur with lumbar stenosis
Limp	Common with painful hip disease	Can occur

These are tendencies rather than diagnostic rules.

Where Is Hip-Joint Pain Usually Felt?

Hip-joint pain is commonly felt in the groin, but it may also be felt in:

• Front of the thigh
• Side of the hip
• Buttock
• Knee
• Lower back

Knee pain can occasionally be the main symptom of hip arthritis.

The location should be interpreted with movement and examination findings.

Where Is Back-Related Pain Usually Felt?

Lumbar spine pain may remain in the back or refer to the:

• Buttock
• Outer hip
• Groin
• Thigh

When a nerve root is involved, symptoms may extend into the:

• Lower leg
• Foot
• Toes

Numbness, tingling, electric pain or weakness increases suspicion of neurological involvement.

Does Groin Pain Always Mean a Hip Problem?

No.

Groin pain may also arise from:

• Adductor muscles
• Hernia
• Pelvic conditions
• Urinary or reproductive organs
• Nerve irritation
• Stress fracture
• Other medical causes

Hip-joint disease is an important possibility, but not the only one.

Does Buttock Pain Mean the Problem Is in the Back?

No.

Buttock pain may arise from:

• Lumbar spine
• Hip joint
• Gluteal tendons
• Sacroiliac region
• Deep gluteal structures
• Hamstring tendon
• Peripheral nerves
• Other conditions

The precise location and provoking activities matter.

What Symptoms Suggest a Hip Problem?

Features that may support hip-joint involvement include:

• Groin-dominant pain
• Difficulty putting on socks or shoes
• Difficulty getting into or out of a car
• Pain when turning on the affected leg
• Reduced hip rotation
• Stiffness after sitting
• Limping
• Pain during prolonged walking
• Pain during deep hip flexion
• Reduced ability to cross the legs

These findings can occur with hip arthritis, labral disease and other hip conditions.

What Symptoms Suggest a Back or Nerve Problem?

Features may include:

• Lower-back pain
• Pain extending below the knee
• Tingling
• Numbness
• Burning or electric pain
• Weakness
• Reflex changes
• Symptoms affected by coughing or straining
• Pain influenced strongly by spinal position
• Reduced walking tolerance relieved by sitting
• Symptoms in both legs

A spinal condition can still exist without back pain.

Which Hip Conditions Can Mimic Back Pain?

Hip Osteoarthritis

Possible features include:

• Groin pain
• Stiffness
• Reduced hip rotation
• Difficulty walking
• Difficulty putting on shoes
• Pain after sitting
• Referred thigh or knee pain

X-ray changes do not always correspond closely with symptom severity.

Gluteal Tendinopathy

This often causes pain over the outer hip and may be aggravated by:

• Lying on that side
• Walking
• Stairs
• Standing on one leg
• Crossing the legs

It can be mistaken for referred back pain.

Hip Labral Pathology

Possible symptoms include:

• Groin pain
• Clicking or catching
• Pain with twisting
• Pain during deep flexion
• Symptoms during sport

Labral abnormalities can also appear on imaging without causing symptoms.

Hip Stress Injury

Possible features include:

• Increasing groin or thigh pain
• Pain during weight-bearing
• Reduced ability to walk
• Risk factors involving bone health or sudden training increase

Early X-rays may be normal. Timely assessment is appropriate because continuing load may worsen some stress injuries.

Osteonecrosis

Osteonecrosis involves reduced blood supply to bone and may affect the femoral head.

Risk factors can include:

• Corticosteroid exposure
• Heavy alcohol use
• Trauma
• Selected medical conditions

MRI may detect osteonecrosis before advanced X-ray changes appear.

Which Back Conditions Can Mimic Hip Pain?

Lumbar Radiculopathy

Nerve-root irritation can cause:

• Buttock or leg pain
• Tingling
• Numbness
• Weakness
• Altered reflexes

Upper lumbar nerve involvement may produce pain in the groin or front of the thigh, making it resemble hip disease.

Lumbar Spinal Stenosis

Possible symptoms include:

• Buttock or leg discomfort during standing or walking
• Numbness or weakness
• Reduced walking tolerance
• Relief when sitting or bending forward

Hip arthritis can also limit walking, so examination is important.

Facet-Joint or Referred Lumbar Pain

Spinal joints and other structures can refer pain to the:

• Buttock
• Outer hip
• Upper thigh

There may be no numbness or weakness.

What Is Hip–Spine Syndrome?

Hip–spine syndrome describes situations in which hip and lumbar spine disorders coexist or produce overlapping symptoms.

It may be classified broadly as:

• Simple: One region is the main symptom source.
• Complex: Both may contribute, and the primary source is uncertain.
• Secondary: Dysfunction in one region affects the other.

The label does not itself identify which treatment should come first.

Can Hip Arthritis Cause Back Pain?

Yes.

Hip stiffness can alter:

• Walking
• Pelvic movement
• Spinal loading
• Sitting and standing mechanics

This may contribute to lower-back discomfort.

Treating hip function may help some back symptoms, but improvement is not guaranteed.

Can Back Problems Cause Hip Stiffness?

Pain and nerve symptoms can lead to guarding and reduced movement around the hip.

However, true restriction of passive hip rotation may suggest a local hip-joint problem.

What Does the Physical Examination Include?

Observation and Walking

Assessment may note:

• Limp
• Reduced stride
• Trunk leaning
• Difficulty standing
• Balance
• Use of a walking aid

Hip Movement

The clinician may examine:

• Flexion
• Internal rotation
• External rotation
• Extension
• Abduction

Painful or restricted internal rotation can support hip-joint involvement, particularly when it reproduces familiar groin pain.

Strength

Strength testing may assess:

• Hip flexion
• Hip abduction
• Knee extension
• Ankle and toe movements
• Functional tasks

Weakness may arise from pain, tendon disease, nerve dysfunction or deconditioning.

Neurological Examination

This may include:

• Sensation
• Reflexes
• Muscle strength
• Nerve-tension tests
• Walking
• Coordination

Abnormal neurological findings increase suspicion of a spinal or peripheral nerve source.

Provocative Tests

Clinicians may use movements intended to load:

• Hip joint
• Gluteal tendons
• Sacroiliac region
• Lumbar spine
• Nerves

No single test is definitive. A consistent cluster of findings is more useful.

Can a Hip Injection Help Identify the Pain Source?

A carefully selected image-guided local anaesthetic injection into the hip joint may sometimes provide diagnostic information.

If familiar pain is substantially relieved during the anaesthetic period, the hip joint may be an important contributor.

Limitations include:

• Incomplete relief
• Placebo and contextual effects
• More than one pain source
• Procedural risks
• Temporary benefit

An injection should not be performed solely because imaging shows an abnormality.

Which Imaging Test Should Come First?

Hip X-Ray

X-ray is commonly the first imaging test when hip arthritis, fracture or structural bone change is suspected.

It may show:

• Joint-space narrowing
• Osteophytes
• Bone deformity
• Fracture
• Advanced osteonecrosis
• Other bone abnormalities

Hip MRI

MRI may be considered when:

• X-rays are normal but important hip disease remains suspected
• Stress injury is possible
• Osteonecrosis is suspected
• Labral or cartilage injury may affect management
• Tumour or infection is possible
• Symptoms remain unexplained

Lumbar MRI

Lumbar MRI may be considered when:

• Weakness or neurological loss is present
• Sciatica remains substantially disabling
• Serious disease is suspected
• An injection or surgery is being considered
• The diagnosis remains uncertain and imaging would alter care

Ultrasound

Ultrasound may help assess:

• Gluteal tendons
• Bursae
• Superficial soft tissues
• Joint fluid
• Selected guided procedures

It does not adequately assess the spinal canal or every deep hip structure.

Why Imaging Can Create More Confusion

Hip and spine imaging may both appear abnormal.

For example, a patient may have:

• Hip arthritis on X-ray
• Disc bulges on lumbar MRI
• Gluteal tendon changes on ultrasound

Each finding may be genuine, but not equally responsible for symptoms.

The main source is more likely to be the finding that matches:

• Symptom location
• Examination
• Affected side
• Neurological pattern
• Functional limitations
• Response to targeted treatment

Should Both the Hip and Back Be Scanned?

Not routinely.

Scanning both regions may identify multiple incidental abnormalities without clarifying the diagnosis.

Clinical assessment should determine:

• Which region is more likely responsible
• Which test would answer the key question
• Whether imaging would change treatment
• Whether sequential assessment is preferable

What If the Hip X-Ray Is Normal?

A normal X-ray does not exclude:

• Early osteoarthritis
• Stress injury
• Osteonecrosis
• Labral disease
• Tendon disorder
• Referred spinal pain

Further imaging is not automatic. It depends on the clinical findings.

What If the Lumbar MRI Shows a Disc Bulge?

Disc bulges are common and may be incidental.

The finding is more likely to matter when:

• The level matches the symptom distribution
• The affected side matches
• A corresponding nerve is compressed
• Neurological examination supports it

A disc bulge should not automatically override evidence that the hip is the main pain source.

Which Problem Should Be Treated First?

The answer depends on:

• Which condition contributes most
• Neurological urgency
• Severity of functional limitation
• Treatment risks
• Patient priorities
• Expected benefit

Urgent nerve or spinal-cord problems take priority.

When both hip arthritis and lumbar degeneration are present without neurological urgency, clinicians may consider:

• Dominant symptom pattern
• Examination findings
• Diagnostic injection
• Relative severity
• Rehabilitation potential
• Surgical implications

Treatment When the Hip Is the Main Source

Depending on the diagnosis, options may include:

• Education
• Activity modification
• Exercise and physiotherapy
• Weight management
• Medication where appropriate
• Walking aids
• Selected injection
• Surgical assessment

Treatment When the Back Is the Main Source

Options may include:

• Education
• Maintaining appropriate activity
• Exercise and physiotherapy
• Medication where appropriate
• Selected spinal injection
• Surgical assessment for appropriate neurological or persistent structural conditions

What If Treatment for One Area Does Not Help?

Reassessment should consider:

• Whether the other region contributes
• Whether the diagnosis was incomplete
• Whether treatment was appropriate and adequately delivered
• Whether neurological findings changed
• Whether imaging would now affect management
• Whether another medical condition is possible

Repeating treatment for one region without reconsidering the source may add little.

When to Seek Prompt Medical Attention

Seek prompt assessment for:

• New or progressively worsening leg weakness
• Loss of bladder or bowel control
• Saddle-area numbness
• New difficulty walking or loss of coordination
• Inability to bear weight after significant trauma
• A shortened or visibly deformed leg after a fall
• A hot swollen joint with fever
• A cold, pale or pulseless leg
• Severe abdominal or pelvic symptoms
• Unexplained weight loss or systemic illness

These features require more than routine musculoskeletal treatment.

Questions to Ask at Assessment

1. Does my pain pattern suggest the hip, spine or both?
2. Is hip movement restricted?
3. Are there neurological findings?
4. Could the pain be referred from another structure?
5. Which imaging test would change treatment?
6. Are any imaging abnormalities likely incidental?
7. Would a diagnostic injection be useful?
8. Which problem should be treated first?
9. How will treatment response help clarify the source?
10. What symptoms require earlier review?

Frequently Asked Questions

Does groin pain mean the hip is the source?

It makes hip-joint disease more likely, but groin pain has several possible causes.

Can hip arthritis cause knee pain?

Yes. Hip-joint pain can be referred to the thigh or knee.

Can sciatica cause groin pain?

Upper lumbar nerve involvement can sometimes cause groin or front-of-thigh symptoms, although other causes should be considered.

Does pain below the knee mean the spine is responsible?

It increases suspicion of nerve involvement, particularly with tingling, numbness or weakness, but it is not definitive.

Is outer-hip pain usually arthritis?

Not necessarily. Gluteal tendinopathy and other lateral hip conditions are common.

Can I have hip and back problems together?

Yes. Coexisting hip and lumbar degeneration is common, especially with increasing age.

Do I need both hip and lumbar MRI?

Usually not initially. Examination should identify which region and test are most relevant.

Can physiotherapy help both?

It may, but the programme should reflect the correct diagnosis, neurological findings and functional goals.

Will hip replacement cure back pain?

It may improve back symptoms caused partly by hip stiffness or altered movement, but it cannot guarantee relief of independent spinal pain.

Can a hip injection prove where the pain comes from?

It can provide useful information in selected cases, but it is not perfectly definitive.

Medical Assessment

When hip and back symptoms overlap, an assessment can compare hip movement, spinal findings and neurological function before imaging or treatment is selected.

The Pain Relief Clinic provides assessment by a licensed medical doctor, access to in-house physiotherapy and diagnostic imaging pathways where medically appropriate. Referral for orthopaedic, spinal or neurological review may be considered when indicated.

For appointments or enquiries, call or WhatsApp +65 9068 9605.

References

1. American College of Radiology. ACR Appropriateness Criteria: Chronic Hip Pain. ACR
2. American College of Radiology. ACR Appropriateness Criteria: Low Back Pain. ACR
3. Offierski CM, MacNab I. Hip-spine syndrome. Spine. 1983;8(3):316–321. PubMed
4. Buckland AJ, Miyamoto R, Patel RD, Slover J, Razi AE. Differentiating hip pathology from lumbar spine pathology: key points of evaluation and management. Journal of the American Academy of Orthopaedic Surgeons. 2017;25(2):e23–e34. PubMed
5. Prather H, van Dillen L. Links between the hip and the lumbar spine—hip-spine syndrome as a cause for disability in patients with hip osteoarthritis. PM&R. 2019;11(9):S64–S72. PubMed
6. National Institute for Health and Care Excellence. Osteoarthritis in over 16s: diagnosis and management. NICE Guideline NG226. NICE
7. National Institute for Health and Care Excellence. Low back pain and sciatica in over 16s: assessment and management. NICE Guideline NG59. NICE

Medical Disclaimer

This article is for general educational information and does not replace an individual medical assessment. Hip, back, buttock and leg pain require interpretation alongside examination findings, medical history and individual circumstances. Seek prompt medical attention for progressive weakness, bladder or bowel changes, saddle numbness, major trauma, fever with a hot joint, a cold limb or other concerning symptoms.

Reviewed by Dr Terence Tan, Founder of The Pain Relief Clinic — 19 September 2026