Posterior elbow impingement causes symptoms risks treatment

The elbow is one of the essential joints we use daily in both routine activities and sports. However, some people may experience pain at the back of the elbow, especially when fully straightening the arm. One possible cause of this discomfort is posterior elbow impingement.This condition does not only cause persistent and bothersome pain, but it can also limit arm movement, affect athletic performance, and interfere with everyday tasks. In certain cases, surgical intervention may be required if conservative treatment fails.In this Delily Medical article, we will discuss the causes of posterior elbow impingement, its different types, common symptoms, diagnostic methods, and available treatment options including medications, physical therapy, and surgical procedures. We will also provide practical tips for prevention and improving joint mobility.

❶ What Is Posterior Elbow Impingement?

Posterior elbow impingement is a condition where abnormal compression or friction occurs at the back of the elbow joint, especially when the arm is fully extended.

It is commonly caused by:

  • Bone spurs

  • Soft tissue inflammation

  • Ligament weakness

  • Loose bodies inside the joint

This repeated pressure leads to pain and limited motion over time.

❷ Can Posterior Elbow Impingement Occur in Children?

The condition is uncommon in children, but it can occur after:

  • Elbow injuries or fractures (especially involving the ulna)

  • Repetitive stress in young athletes who frequently extend the elbow

Diagnosis requires proper imaging (X-ray or MRI) along with careful clinical examination.

❸ Can It Cause Permanent Elbow Stiffness?

If treatment is delayed, partial or complete stiffness may develop due to:

  • Bone spur formation

  • Soft tissue scarring (fibrosis)

However, early treatment combined with regular mobility exercises significantly reduces the risk of permanent stiffness.

❹ Does It Go Away With Rest Alone?

Rest may temporarily reduce pain, but it does not treat the underlying cause such as:

  • Bone spurs

  • Loose bodies

  • Ligament instability

Management may be conservative or surgical depending on severity.

❺ Does It Affect Sports or Work?

Yes, especially activities that require full elbow extension or lifting.

It may cause:

  • Arm weakness

  • Catching or clicking sensation

  • Pain after exercise or manual work

❻ Can It Be Prevented After Surgery?

Yes, by:

  • Following a structured physical therapy program

  • Strengthening the muscles around the elbow

  • Avoiding sudden movements and excessive stress

  • Regular follow-up with the physician

❼ How Long Does Conservative Treatment Take to Show Improvement?

Noticeable improvement usually appears within 4–6 weeks with proper rest, exercises, and anti-inflammatory medication.

Some cases may require 2–3 months, depending on severity and activity level.

❽ Does Posterior Impingement Cause Permanent Swelling?

Usually no.

However, in chronic or severe inflammatory cases, temporary or recurrent swelling may occur. Early treatment helps reduce swelling and improve range of motion.

❾ Does It Worsen With Age?

Yes.

  • In older adults: due to degenerative changes and bone spur formation.

  • In young athletes: due to repetitive stress and overuse.

❿ Can It Return After Surgery?

In most cases, arthroscopic surgery or removal of bone spurs provides excellent results.

However, symptoms may recur if the patient returns to high-stress activities without proper strengthening and rehabilitation.

⓫ Is It Associated With Other Elbow Conditions?

Yes, it may be associated with:

  • Arthritis, which increases joint friction

  • Previous elbow injuries (fractures, sprains, ligament tears)

  • Cubital Tunnel Syndrome, which may cause numbness or tingling alongside impingement symptoms

Stages of Posterior Elbow Impingement

Stage 1: Early / Acute Stage

Cause:
Repetitive elbow extension with mild stress.

Symptoms:

  • Mild, intermittent pain at the back of the elbow

  • Occasional clicking sensation

  • No clear motion loss

Imaging:

  • X-ray usually normal

  • Pain appears during forced extension

Treatment:

  • Rest

  • Ice and anti-inflammatory medication

  • Early conservative treatment usually leads to fast recovery

Stage 2: Chronic / Progressive Stage

Cause:
Continued stress without treatment.

Changes:

  • Formation of small bone spurs (osteophytes) at the olecranon

  • Mild soft tissue swelling

Symptoms:

  • More persistent pain

  • Catching or locking sensation

  • Slight loss of full extension

Imaging:

  • X-ray may show small bone spurs

  • MRI shows soft tissue inflammation

Treatment:

  • Structured conservative management

  • Physical therapy

  • Surgery may be considered in resistant cases

Stage 3: Advanced / Severe Stage

Cause:
Long-term untreated impingement (often over a year).

Changes:

  • Large bone spurs

  • Clear bone-to-bone contact during extension

  • Possible loose bodies inside the joint

  • Soft tissue fibrosis

Symptoms:

  • Persistent or sharp pain

  • Significant loss of extension

  • Recurrent locking

  • Noticeable weakness in sports or daily activities

Imaging:

  • X-ray shows large osteophytes

  • MRI shows fibrosis and internal inflammation

Treatment:

  • Arthroscopic or surgical removal of bone spurs

  • Post-operative physical therapy to restore motion and strength

Causes of Posterior Elbow Impingement

1️⃣ Repetitive Forceful Extension

Common in:

  • Baseball pitchers

  • Tennis players

  • Handball players

  • Javelin throwers

Repeated stress causes inflammation and gradual impingement.

2️⃣ Bone Spur Formation (Osteophytes)

Chronic stress may lead to bone spur formation at the olecranon.
These spurs press against the humerus during full extension, causing:

  • Sharp pain

  • Clicking or locking

  • Limited motion

3️⃣ Ligament Laxity or Weakness

Weakness or partial tear of the ulnar collateral ligament (UCL) can lead to joint instability, increasing posterior friction.

4️⃣ Previous Elbow Injuries

Such as:

  • Fractures

  • Dislocations

  • Ligament tears

  • Severe sprains

These may alter joint anatomy and increase posterior compression.

5️⃣ Synovitis (Inflammation of the Joint Lining)

Inflammation of the synovial membrane can cause internal swelling, increasing pressure during elbow extension.

6️⃣ Congenital or Anatomical Variations

Some individuals may have:

  • A slightly longer olecranon

  • A narrower joint space

These anatomical differences may increase the risk of impingement with repetitive movement.

Types of Posterior Elbow Impingement

Posterior elbow impingement is not a single condition. It has different types depending on the underlying cause and what is happening inside the joint. Identifying the type is important because it determines whether conservative treatment is enough or surgery is required.

1️⃣ Bony Posterior Impingement

Cause:

  • Formation of bone spurs

  • Contact between the olecranon (ulna) and the humerus

  • Repetitive stress in athletes

Features:

  • Clear pain during full elbow extension

  • Audible clicking or grinding sensation

  • Visible on X-ray

Note: This type often requires surgical treatment if symptoms persist.

2️⃣ Soft Tissue Impingement

Cause:
Compression of soft tissues inside the joint, such as:

  • Synovitis (inflammation of the synovial lining)

  • Fibrotic tissue thickening

  • Internal swelling

Features:

  • Pain without visible bone spurs

  • Normal X-ray in many cases

  • MRI reveals inflammation or soft tissue thickening

Note: This type usually responds well to conservative treatment.

3️⃣ Instability-Related Impingement

Cause:

  • Weakness or tear of the ulnar collateral ligament (UCL)

  • Mild joint instability

  • Chronic stress in throwing athletes

Features:

  • Posterior elbow pain + medial (inner) elbow pain

  • Common in throwing sports

Note: Treatment focuses on correcting the underlying instability through strengthening or ligament repair.

4️⃣ Impingement with Loose Bodies

Cause:

  • Small fragments of cartilage or bone inside the joint

  • Often due to old injuries or joint wear

Features:

  • Sudden locking sensation

  • Intermittent sharp pain

Note: Arthroscopic removal is often required to restore normal movement.

5️⃣ Mixed Type

Cause:
More than one factor combined, such as:

  • Bone spurs + soft tissue inflammation

  • Instability + bony impingement

Features:

  • Common in professional athletes after years of repetitive stress

Diagnosis of Posterior Elbow Impingement

1️⃣ Patient History

Pain characteristics:

  • Location: typically at the back of the elbow

  • Severity: mild at first, gradually worsening

  • Activity-related: increases with repetitive extension or sports activities

Sports or occupational history:

  • Throwing athletes (baseball, handball, javelin)

  • Workers performing repetitive elbow extension

Previous injuries:

  • Fractures

  • Dislocations

  • Ligament injuries

  • Reports of swelling or clicking

Importance: Helps determine whether the cause is overuse, prior trauma, or anatomical variation.

2️⃣ Physical Examination

A. Range of Motion Test

  • Assess full elbow extension for pain or restriction

  • Evaluate flexion for posterior or lateral pain

B. Clicking / Locking Test

  • Move the elbow slowly to detect grinding or catching

  • Locking may indicate loose bodies

C. Stability Test

  • Evaluate ligament integrity, especially the UCL

  • Instability may contribute to secondary impingement

D. Palpation

  • Gentle pressure over the olecranon and surrounding tissues

  • Detect localized tenderness or swelling

3️⃣ Imaging Studies

A. X-Ray

  • Detects bone spurs

  • Identifies bony deformities or previous injuries

  • Usually the first imaging step

B. MRI

  • Shows synovitis or soft tissue inflammation

  • Detects ligament tears and loose bodies

  • Helps classify the type of impingement

C. CT Scan

  • Used for large bone spurs or surgical planning

  • Provides detailed bone structure imaging

D. Diagnostic Arthroscopy

  • Rarely used unless loose bodies or complex impingement are suspected

  • Allows direct visualization of the joint

Risks of Posterior Elbow Impingement

1️⃣ Loss of Full Range of Motion

Chronic friction or large bone spurs may prevent full elbow extension.

Impact on daily and athletic activities:

  • Overhead lifting

  • Pushing or pulling heavy objects

  • Sports requiring full extension

In advanced cases, full extension may become nearly impossible without surgery.

2️⃣ Chronic Pain

Pain may progress from activity-related to persistent pain even at rest.

Impact:

  • Difficulty sleeping

  • Reduced daily activity

3️⃣ Fibrosis and Scar Tissue Formation

Chronic irritation may cause scar tissue formation, reducing joint flexibility and increasing stiffness.

4️⃣ Functional Impairment

  • Reduced strength and accuracy in throwing athletes

  • Difficulty lifting or carrying in manual workers

5️⃣ Loose Bodies

Chronic cases may lead to:

  • Sudden locking

  • Sharp pain during extension

  • Need for arthroscopic removal

6️⃣ Cartilage Wear / Early Arthritis

Continuous friction may damage cartilage, leading to:

  • Persistent pain

  • Swelling

  • Limited motion

7️⃣ Post-Surgical Complications

If surgery is required:

  • Temporary swelling

  • Temporary stiffness

  • Need for structured rehabilitation

Surgical Treatment of Posterior Elbow Impingement

1️⃣ Osteophyte (Bone Spur) Removal

Goal: Remove bone spurs causing impingement

Methods:

  • Arthroscopic surgery: Small incisions, faster recovery, minimal scarring

  • Open surgery: For large or complex spurs

Recovery: 4–8 weeks with physical therapy

2️⃣ Loose Body Removal

Goal: Remove cartilage or bone fragments

Method: Usually arthroscopic

Recovery: Generally quick with early motion exercises

3️⃣ Ligament Repair or Reconstruction

Goal: Restore elbow stability

Procedures:

  • UCL Reconstruction (Tommy John Surgery): Replaces damaged ligament with tendon graft

  • UCL Repair: For partial tears

Recovery: 4–6 months before full return to sports

4️⃣ Combined Arthroscopic Procedures

Used in mixed cases to:

  • Remove bone spurs

  • Remove loose bodies

  • Clean inflamed tissue

  • Repair ligaments if necessary

Recovery is longer and requires structured rehabilitation.

5️⃣ Open Debridement / Excision

Used in advanced or complex cases:

  • Large bone spurs

  • Severe fibrosis or adhesions

Recovery: 6–12 weeks with rehabilitation.

Medications for Posterior Elbow Impingement

1️⃣ Simple Analgesics

Example: Paracetamol (Acetaminophen)

Purpose: Relieve mild to moderate pain

Advantage: Minimal stomach irritation

2️⃣ Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)

Examples: Ibuprofen, Naproxen, Diclofenac

Purpose: Reduce inflammation and pain

Forms: Oral or topical gel

Warning: Long-term use may affect the stomach or kidneys.

3️⃣ Corticosteroid Injections

Purpose: Reduce severe inflammation

Benefits:

  • Rapid pain relief

  • Improves ability to perform physical therapy

Warning: Not frequently repeated to avoid tissue damage.

4️⃣ Cartilage Support Supplements

Examples: Glucosamine / Chondroitin

Purpose: Support cartilage health in chronic cases

Note: Supportive only; not a direct treatment for impingement.

Exercises for Posterior Elbow Impingement

Exercises are essential for:

  • Restoring range of motion

  • Strengthening surrounding muscles

  • Reducing pain

⚠️ Exercises should be gradual and supervised by a physician or physical therapist.

1️⃣ Range of Motion Exercises

Goal: Prevent stiffness

Examples:

  • Slow elbow flexion and extension (10–15 repetitions, 2–3 times daily)

  • Elbow circles with the elbow bent at 90 degrees

Stop if sharp pain or locking occurs.

2️⃣ Stretching Exercises

Goal: Improve flexibility and reduce joint stress

Examples:

  • Triceps stretch: Hold for 15–20 seconds

  • Biceps stretch against a wall: Hold for 15 seconds

Repeat 2–3 times per arm.

3️⃣ Strengthening Exercises

Goal: Improve stability and reduce posterior joint stress

Examples:

  • Light dumbbell exercises (1–2 kg), 2–3 sets of 10–15 repetitions

  • Resistance band (TheraBand) elbow extension exercises

Gradual progression is essential to avoid symptom recurrence.

 

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