Shoulder Orthopaedic Test: Arm Squeeze Test

The Arm Squeeze Test assesses whether squeezing the middle third of the upper arm reproduces markedly greater pain than squeezing the acromioclavicular or subacromial region. It is intended to help differentiate cervical nerve root-related arm pain from shoulder-origin pain. A 2021 diagnostic accuracy study reported that a negative Arm Squeeze Test was among the most accurate clinical tests for decreasing the likelihood of cervical radiculopathy, but the authors cautioned against overinterpreting diagnostic values because cervical radiculopathy lacks a perfect gold standard.  

Introduction

A client reports shoulder and arm pain, but the source is unclear. The pain might be from the shoulder, the neck, a nerve root, or a combination of factors. Standard shoulder tests may be painful, and cervical movements may also change symptoms.

The Arm Squeeze Test can help determine whether upper-arm squeezing produces pain more consistent with cervical nerve root involvement than local shoulder pain. It should be interpreted with history, neurological findings, cervical testing and shoulder assessment.

Quick Summary

Test name: Arm Squeeze Test
Body region: Upper arm, cervical nerve root-related arm pain reasoning
Purpose: Help differentiate cervical radicular arm pain from shoulder-origin pain
Positive finding: Markedly greater pain when squeezing the middle third of the upper arm compared with shoulder-region compression
Negative finding: No marked pain difference between arm squeeze and shoulder-region compression
Best used with: Neurological screen, cervical ROM, Spurling’s Test, cervical distraction, ULNTs and shoulder assessment
Key limitation: It does not diagnose cervical radiculopathy on its own

What Is the Arm Squeeze Test?

The Arm Squeeze Test involves squeezing the middle third of the upper arm and comparing pain intensity with pressure over shoulder regions such as the acromioclavicular or subacromial area. A marked increase in pain during mid-arm squeezing may support cervical nerve root involvement.

The test should reproduce pain in a way that is clinically meaningful, not just mild pressure discomfort.

Why It Is Used

The test is used when professionals need to differentiate neck-related arm pain from shoulder-origin symptoms.

It may be relevant when the client has arm pain, unclear shoulder pain, neck symptoms, paraesthesia, neurological signs, or pain that does not match a simple shoulder presentation.

What It Assesses

The test assesses pain response to upper-arm compression compared with shoulder-region compression. It does not directly visualise nerve root compression and does not identify the exact nerve root.

Pain may be influenced by cervical radiculopathy, local arm sensitivity, peripheral nerve sensitivity, shoulder pain, soft tissue tenderness or pain sensitisation.

Who It Is Useful For

This test may be useful for clients with unclear shoulder-arm pain, suspected cervical radiculopathy, neck-related arm symptoms, shoulder pain with neurological features or symptoms that do not fit a local shoulder pattern.

When to Use This Test

Use when differentiating cervical and shoulder sources of arm pain is clinically relevant.

When Not to Use or When to Be Cautious

Use caution with acute trauma, bruising, arm fracture suspicion, severe allodynia, infection, vascular symptoms, marked swelling, recent surgery or inability to tolerate compression.

Equipment Required

Pain scale
Measurz recording workflow
Optional neurological screen notes
Optional cervical and shoulder assessment notes

Step-by-Step Protocol / Practice

Setup

Position the client sitting or standing with the arm relaxed.

Client position

The shoulder and arm should be relaxed.

Examiner/professional position

Stand beside the tested arm.

Hand placement

Squeeze the middle third of the upper arm using a controlled grip. Then apply comparable pressure to the acromioclavicular and/or subacromial region.

Stabilisation

Keep the arm relaxed and avoid shoulder movement.

Movement or force direction

Apply firm but tolerable compression. Compare pain intensity between the mid-arm squeeze and shoulder-region compression.

Instructions

Ask the client to rate pain at each site and report whether the pain matches their familiar symptoms.

Positive finding

A positive result is markedly greater pain with mid-arm squeezing compared with shoulder-region compression.

Negative finding

A negative result is no meaningful pain increase with mid-arm squeezing compared with shoulder-region compression.

Stopping criteria

Stop if pain is severe, symptoms spread, neurological symptoms worsen, vascular symptoms occur or the client cannot tolerate pressure.

Safety notes

Use controlled pressure. Do not perform over bruising, wounds, swelling or suspected fracture.

Positive and Negative Test Interpretation

A positive Arm Squeeze Test may increase suspicion of cervical nerve root-related pain when mid-arm squeezing produces much greater pain than shoulder-region compression and the history or neurological findings support cervical involvement.

A negative test may reduce suspicion of cervical radiculopathy, especially when neurological screen and related cervical tests are also negative.

A positive result does not diagnose cervical radiculopathy, and a negative result does not completely exclude it. Interpretation is stronger when combined with Spurling’s Test, cervical distraction, upper limb neurodynamic testing, neurological screen and shoulder assessment.

Sensitivity, Specificity and Diagnostic Accuracy

A 2021 study of 134 people with suspected cervical radiculopathy found that a negative Arm Squeeze Test, along with a combination of negative upper limb neurodynamic tests, was among the most accurate clinical tests for decreasing the likelihood of cervical radiculopathy. The study also stated that several interview items, Spurling’s Test and reduced reflexes helped increase probability when positive, but no perfect gold standard exists for cervical radiculopathy, so diagnostic accuracy values should not be overinterpreted.  

Condition or presentation: suspected cervical radiculopathy
Population: 134 consecutive patients with suspected cervical radiculopathy
Test variation: Arm Squeeze Test
Reference standard: medical specialist diagnosis based on clinical presentation and corresponding MRI findings
Sensitivity: not stated in the accessible summary
Specificity: not stated in the accessible summary
Positive likelihood ratio: not stated in the accessible summary
Negative likelihood ratio: negative test considered useful for decreasing probability
Key limitations: no perfect gold standard, selected suspected radiculopathy population and need to combine with other findings

Reliability and Validity

Reliability depends on consistent squeeze location, force, comparison sites, pain scoring and symptom familiarity criteria.

Validity is strongest when the test is used for its intended purpose: differentiating cervical radicular symptoms from shoulder-origin pain in unclear presentations.

Common Errors and Limitations

Common errors include squeezing too hard, not comparing with shoulder-region compression, ignoring bruising or local arm pathology, using the test as a stand-alone diagnosis and failing to record pain scores at each site.

Limitations include pain sensitivity, local upper-arm tenderness, trauma, soft tissue pain and incomplete diagnostic accuracy data in accessible current summaries.

Practical Applications

Use the Arm Squeeze Test when shoulder and cervical symptoms overlap. It may help decide whether cervical testing, neurological screening or shoulder-focused assessment should be prioritised.

How to Record This in Measurz

Record test name, side tested, result, pain score during mid-arm squeeze, pain score during shoulder-region compression, symptom familiarity, squeeze location, comparison location, neurological symptoms, cervical findings, shoulder findings, confidence in result and reason for stopping.

Add Spurling’s, cervical distraction, ULNT results, reflexes, myotomes, dermatomes, shoulder ROM and shoulder special test findings.

Related Tests / Internal Links

Spurling’s Test
Cervical Distraction Test
Upper Limb Tension Tests
Cervical ROM Tests
Shoulder ROM Tests
Shoulder Strength Testing
Infraspinatus Test
Hawkins-Kennedy Test

FAQs

What does the Arm Squeeze Test assess?

It helps assess whether arm pain may be more consistent with cervical nerve root involvement than shoulder-origin pain.

What is a positive Arm Squeeze Test?

A positive result is markedly greater pain during middle upper-arm squeezing compared with shoulder-region compression.

Does it diagnose cervical radiculopathy?

No. It may support suspicion but does not diagnose cervical radiculopathy on its own.

What does a negative test mean?

A negative result may reduce suspicion of cervical radiculopathy, especially when other cervical and neurological findings are negative.

What should be recorded in Measurz?

Record pain scores for the arm squeeze and comparison sites, symptom familiarity, side tested and related cervical/shoulder findings.

Key Takeaways

The Arm Squeeze Test helps differentiate cervical and shoulder-related arm pain.
A marked pain difference is more meaningful than mild pressure discomfort.
A negative result may help decrease suspicion of cervical radiculopathy.
It should be used with neurological and cervical testing.
Measurz should capture pain scores, comparison sites and related findings.

References

Sleijser-Koehorst, M. L. S., Coppieters, M. W., Epping, R., Rooker, S., Verhagen, A. P., & Scholten-Peeters, G. G. M. (2021). Diagnostic accuracy of patient interview items and clinical tests for cervical radiculopathy. Physiotherapy, 111, 74–82.

Gumina, S., Carbone, S., Albino, P., Gurzì, M. D., & Postacchini, F. (2013). Arm Squeeze Test: A new clinical test to distinguish neck from shoulder pain. European Spine Journal, 22, 1558–1563. Foundational reference.