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MSK Injury & Rehabilitation Hub
Elbow & ForearmTendinopathy / OveruseModerate evidence

Lateral Epicondylalgia (Tennis Elbow)

Load-related lateral elbow pain involving the common wrist-extensor tendon, especially extensor carpi radialis brevis.

THE MSK CLINICAL STORY

The coffee mug that became an elbow strength test

A fictional teaching case. Follow the clues, enjoy the conversation, and make the decisions a thoughtful clinician would make—not an instant diagnosis from a single symptom.

Scene 01 · The patient walks in

A carpenter lifts his morning tea and winces at the outside of his elbow. He's convinced it must be 'tennis elbow,' although his only racket lives in a cupboard.

A little clinic conversation

Patient: 'I haven't played tennis in ten years!' Therapist: 'Good news: the elbow didn't check your sports membership.'

Scene 02 · Follow the clues

Local lateral elbow pain aggravated by gripping or resisted wrist extension fits lateral epicondylalgia, often linked to wrist-extensor tendon loading.

Plot twist · What could fool us?

Pain over the elbow can also come from cervical or radial nerve sources; neurologic signs and atypical findings change the examination.

Choose your learning lens

Same clinical case, two ways to understand it. The complete examination and treatment guide is still available below.

In everyday words

The tendon near the outside of your elbow may be sensitive to gripping and lifting. We usually work on comfortable movement, gradually stronger gripping and changes to heavy repetitive tasks.

Scene 03 · The rehabilitation journey

Adjust painful gripping loads → build wrist-extensor and forearm capacity → restore work and sport-specific lifting endurance.

See the full phased rehabilitation plan

You are the clinician · Interactive challenge

For typical lateral epicondylalgia without red flags, what is a sensible core strategy?

Choose one answer to reveal the explanation. No score, no pressure—just better clinical reasoning.

These cases teach reasoning; they do not provide a diagnosis for an individual patient. Always consider red flags, contraindications, comorbidities and local referral pathways.

PNA Clinical Visual Atlas

See this condition in 3D

Open the related anatomy and pathology visuals.

Open Visual Atlas

Structures Involved

  • Common extensor tendon
  • ECRB commonly implicated

Mechanism / Why It Happens

  • Repetitive gripping
  • Repeated wrist extension/supination
  • Sudden increase in manual or racquet load

Classification / Grades

  • Acute reactive presentation
  • Persistent tendinopathy spectrum

Symptoms

  • Lateral elbow pain
  • Pain gripping/lifting
  • Pain pouring kettle or shaking hands

Clinical Signs

  • Tenderness at lateral epicondyle/common extensor tendon
  • Pain with resisted wrist extension or middle-finger extension
  • Reduced grip strength due to pain

Red Flags & Referral Clues

  • Trauma/fracture
  • Marked neurologic deficit
  • Cervical symptoms
  • Joint locking or severe ROM loss

Diagnostic Examination

How to perform the tests — step by step

Each test includes patient setup, therapist position, hand placement, exact performance, positive finding and clinical interpretation.

Cozen Test

Load common wrist extensors.

Patient position

Sitting with elbow supported and forearm pronated or neutral.

Therapist position

In front of patient.

Hand placement

Stabilize elbow; resist wrist extension/radial deviation over dorsum of hand.

How to perform

  1. 1Ask patient to make a fist.
  2. 2Patient extends/radially deviates wrist against resistance.
  3. 3Palpate lateral epicondyle region.

Positive sign

Concordant lateral epicondyle pain.

Interpretation

Supports lateral epicondylalgia.

Mill Test

Passively lengthen common wrist extensor tendon.

Patient position

Sitting/standing.

Therapist position

Beside arm.

Hand placement

Control elbow, forearm and wrist.

How to perform

  1. 1Pronate forearm.
  2. 2Flex wrist.
  3. 3Extend elbow while maintaining the stretch.
  4. 4Stop if severe pain.

Positive sign

Concordant lateral epicondyle pain.

Interpretation

Supports lateral epicondylalgia.

Maudsley Test

Load extensor digitorum/common extensor region.

Patient position

Sitting with forearm supported.

Therapist position

In front.

Hand placement

Apply resistance to middle finger extension.

How to perform

  1. 1Ask patient to extend middle finger against resistance.
  2. 2Note lateral elbow pain.

Positive sign

Reproduction of lateral elbow pain.

Interpretation

Supports lateral epicondylalgia but radial tunnel differential should be considered.

Differential Diagnosis

  • Radial tunnel syndrome
  • Cervical radiculopathy
  • Elbow OA
  • Posterolateral instability

Investigations / Imaging

  • Usually clinical.
  • Imaging considered for atypical, traumatic or persistent cases where another diagnosis is suspected.

Complete Rehabilitation Plan

From protection to full function

Phase 1 — Load Calibration

Reduce repeated aggravating load while maintaining tendon activity.

What to do

  • Modify gripping/lifting volume
  • Begin pain-monitored isometric or isotonic wrist extensor loading

Exercise dosage

  • Wrist-extensor isometrics: 3–5 x 30–45 s
  • Light isotonic extension: 3 x 10–15

Progress when

  • Grip becomes less painful
  • Next-day response acceptable

Phase 2 — Progressive Tendon & Grip Strength

Build wrist extensor, supinator and grip capacity.

What to do

  • Progressive wrist extension
  • Pronation/supination
  • Grip and upper-quarter strengthening

Exercise dosage

  • 3–4 x 6–15, 2–4 times/week
  • Grip: 3 x 8–15 or timed holds

Progress when

  • Work/sport grip load tolerated

Phase 3 — Task-Specific Return

Restore high-volume manual/racquet demands.

What to do

  • Graded lifting/gripping
  • Technique/equipment review when relevant

Exercise dosage

  • Progress total weekly load gradually

Progress when

  • Full target task volume tolerated without prolonged flare

Manual Therapy — Role & Application

  • Elbow/forearm mobilization with movement may reduce pain short term in selected patients.
  • Soft-tissue techniques can be adjunctive.
  • Progressive tendon loading remains central.

Modalities — Use / Avoid

  • Avoid making ultrasound/electrotherapy the main treatment.
  • Counterforce strap may help some patients temporarily during activity.

Return / Discharge Criteria

  • Near-normal pain-free grip
  • Repeated work/sport gripping tolerated
  • Wrist extensor strength restored
  • No significant next-day flare

Common Clinical Mistakes

  • Complete rest
  • Only massage without loading
  • Missing radial tunnel or cervical source

Clinical Pearls

  • Resisted wrist extension + lateral epicondyle pain = classic pattern.
  • Treat capacity and load tolerance, not tenderness alone.

Continue learning

Connect assessment with management

Use the related PNA learning pathways to explore examination techniques and structured rehabilitation. A test result should always be interpreted alongside the history, full examination and clinical presentation.

Evidence sources

Use these sources as a starting point for clinical learning. A reference being listed here does not, by itself, establish that every recommendation on this page is strongly supported. Check the original publication, study design, population and limitations before applying findings to an individual patient.

Educational resource only. Tests and treatment plans must be adapted to the individual patient, irritability, comorbidities, surgical restrictions and local scope-of-practice requirements.