Arm squeeze test: how to perform, interpret, and document findings

Key Takeaways

The arm squeeze test identifies whether arm pain originates from the cervical spine (nerve root compression) or a primary shoulder condition.

Sensitivity of 0.96 and specificity of 0.90 reported in the original Gumina et al. (2013) study, making it one of the most accurate cervical radiculopathy screening tests available.

A positive result occurs when squeezing the middle third of the upper arm reproduces arm pain more intense than any concurrent neck pain.

Pabau’s digital forms and client record tools let physiotherapists and sports medicine clinicians document special test findings, positive results, and clinical reasoning in a single structured note.

Neck pain and shoulder pain look almost identical on the surface. Patients present with arm symptoms, restricted movement, and a story that could point in either direction. Yet the management pathway for cervical radiculopathy and the management pathway for shoulder pathology are fundamentally different. Getting the differential right early avoids weeks of misdirected treatment.

The arm squeeze test cuts through that ambiguity with a single, equipment-free manoeuvre. Since Gumina et al. published their original validation study in 2013, the test has become a standard screening tool in physiotherapy, chiropractic, and sports medicine practice for identifying cervical radicular syndrome. This guide covers what the arm squeeze test is, how to perform it correctly, how to interpret positive and negative findings, how it compares to other cervical tests, and where it fits in the broader neck-versus-shoulder differential.

What is the arm squeeze test?

The arm squeeze test is a clinical orthopaedic screening tool used to distinguish cervical radiculopathy from shoulder pathology. It asks one precise diagnostic question: does this patient’s arm pain originate from nerve root compression in the cervical spine, or from a primary shoulder condition?

Unlike tests that stress the cervical spine directly (such as the Spurling test), the arm squeeze test works by provoking pain through mechanical pressure on the upper arm. Radicular pain, which travels along a dermatome from a compressed cervical nerve root, is reliably reproduced by squeezing the arm in the zone supplied by affected nerve roots. Local shoulder pain, by contrast, typically is not provoked by this manoeuvre.

The test was first described and validated by Gumina and colleagues, whose research is available through Physiopedia’s clinical reference and forms the evidentiary foundation for the test’s current use. It requires no equipment, takes under a minute, and can be performed as part of a standard upper limb neurological screen. Clinicians at opening a physiotherapy clinic or expanding into musculoskeletal assessment will find it among the highest-yield additions to a cervical examination battery.

How to perform the arm squeeze test: step-by-step

Consistency in technique is essential. Variation in examiner grip, pressure, or squeeze location can produce false results. Follow these steps in sequence.

1. Position the patient: Seat the patient upright on a chair or examination table, with both arms resting in a relaxed, neutral position at their sides. Do not ask the patient to hold or rotate the arm.
2. Identify the target zone: Locate the middle third of the upper arm, the segment between the deltoid insertion and the elbow crease. This is the squeeze point for every arm squeeze test; squeezing above or below this zone alters the clinical validity of the result.
3. Apply firm, consistent pressure: Using one hand, wrap your fingers and thumb around the middle third of the upper arm and apply firm bilateral pressure. The pressure should be sustained and deliberate, comparable to a moderately firm grip. The research does not specify a standardised force measurement, so clinical judgement guides the examiner.
4. Observe and record the pain response: Ask the patient immediately whether they feel any pain and, if so, where. Record: (a) whether pain is provoked, (b) the location of the pain (arm vs neck), and (c) the relative intensity compared to their presenting complaint.
5. Interpret the response: A positive finding is defined as reproduction of the patient’s familiar arm pain that is more intense than any concurrent neck pain. A negative finding is either no pain provoked or neck pain that is equal to or greater than the arm pain produced.

Only trained clinicians should perform and interpret this test. A positive result indicates possible cervical radiculopathy and warrants further investigation; it is not a standalone diagnosis.

Interpreting the arm squeeze test: positive and negative findings

Interpretation hinges on where the pain lands and how intense it is relative to the patient’s baseline symptoms.

A positive arm squeeze test indicates possible cervical radicular syndrome. It does not pinpoint the affected nerve root level. To identify which level is involved (C5, C6, C7, or C8), combine the result with dermatomal sensory testing, myotomal strength assessment, and reflex evaluation. A negative result shifts clinical probability toward a primary shoulder condition but does not exclude cervical pathology entirely, particularly in patients with overlapping presentations.

Communicate findings carefully. Tell patients that the test suggests where the pain is likely coming from, not what the definitive diagnosis is. Frame the result as one part of a broader clinical picture requiring further assessment or imaging where indicated.

Arm squeeze test sensitivity, specificity, and diagnostic accuracy

The original Gumina et al. (2013) study, published in the Journal of Bone and Joint Surgery and indexed on PubMed Central, produced the figures that underpin the arm squeeze test’s clinical reputation.

These figures come from a single study with a specific patient population. Subsequent publications have broadly supported the test’s utility, but independent large-scale replication remains limited. Use these numbers to guide clinical probability, not to confirm or exclude a diagnosis outright. Context matters: a patient with bilateral symptoms, myelopathic signs, or a history of trauma requires imaging regardless of the arm squeeze test result.

Arm squeeze test vs. other cervical radiculopathy clinical tests

No single test confirms cervical radiculopathy. Clinicians typically use a cluster approach, combining tests with complementary sensitivity and specificity profiles. Here is how the arm squeeze test sits within the standard cervical radiculopathy clinical test battery.

The arm squeeze test’s standout value is its high sensitivity. This makes it particularly useful as a screening step: a negative result substantially lowers the probability of cervical radiculopathy and justifies pivoting toward shoulder-specific assessment. The Spurling test, by contrast, has lower sensitivity but higher specificity, making it better suited for confirmation once the differential is already narrowing toward a cervical origin. Clinicians practicing sports medicine or musculoskeletal physiotherapy often run the arm squeeze test first, then follow with Spurling or distraction testing to tighten the clinical picture.

For shoulder-specific differentials (rotator cuff tear, AC joint pathology, subacromial impingement), tests such as the drop arm test and lift-off test remain the appropriate first-line tools. Neither of those provokes radicular pain and neither is designed to answer the neck-versus-shoulder question. The arm squeeze test fills the diagnostic gap between cervical tests and shoulder tests specifically because it addresses that central differentiation question. Clinics focusing on chiropractic and musculoskeletal care through chiropractic software workflows benefit from building this into their standard upper limb assessment templates.

Document every special test finding in seconds

Pabau’s structured clinical notes let physiotherapists and musculoskeletal clinicians record arm squeeze test results, positive findings, and clinical reasoning in one place. No paper, no lost notes, no duplicate data entry.

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Using the arm squeeze test in the neck vs shoulder pain differential

The neck-versus-shoulder differential is one of the most clinically demanding decisions in musculoskeletal practice. Patients rarely present with textbook signs, and the two conditions frequently co-exist. Here is where the arm squeeze test fits in a structured assessment pathway.

• Step 1: Subjective history. Establish the location, onset, behaviour, and aggravating factors. Red flags (progressive neurology, upper motor neurone signs, bilateral symptoms, bladder or bowel involvement) require urgent referral regardless of special test results.
• Step 2: Run the arm squeeze test early. Perform the arm squeeze test before loading the cervical spine or shoulder. A positive finding orients the rest of the assessment toward cervical assessment; a negative finding redirects attention to the shoulder.
• Step 3: Follow with spine-loading tests if positive. If the arm squeeze test is positive, follow with Spurling, distraction, or ULTT to corroborate the cervical origin and begin identifying the affected nerve root level through dermatomal and myotomal testing.
• Step 4: Follow with shoulder-specific tests if negative. A negative arm squeeze test shifts the assessment toward shoulder pathology. Proceed with rotator cuff screening (empty can, drop arm, lift-off), impingement tests (Hawkins-Kennedy, Neer), and AC joint stress tests as appropriate.
• Step 5: Integrate all findings and communicate clearly. Special test results inform clinical probability; they do not produce diagnoses. Document what was tested, what the patient reported, and the clinical interpretation. Where findings are equivocal, note what further investigations (imaging, specialist referral) are indicated.

Patients with overlapping presentations, such as cervical spondylosis with concurrent rotator cuff degeneration, may produce positive results on both cervical and shoulder tests. In these cases, the arm squeeze test remains useful: a strongly positive result with high pain intensity still points toward a dominant cervical component, even if shoulder pathology is also present. Managing patient care management across a complex musculoskeletal workup benefits from a structured documentation system that captures each test result alongside its clinical interpretation, rather than a freeform note that conflates findings.

Limitations and clinical caveats

High sensitivity and specificity figures are compelling. They do not make the arm squeeze test infallible.

• Single-study validation: The diagnostic accuracy figures originate from one study with a specific sample population. Independent replication in different patient groups (age, comorbidity, acuity) remains limited. Treat the numbers as strong indicators, not established benchmarks across all clinical contexts.
• Examiner pressure variability: The test does not specify a standardised grip force. Different examiners applying different pressures will produce different results, particularly near the threshold between positive and negative. Standardise your grip as much as possible and note when findings are borderline.
• Conditions that may produce false positives: Local upper arm pathology (muscle contusion, haematoma, peripheral nerve entrapment at the arm level) can reproduce arm pain on squeezing without any cervical origin. Always correlate with the patient’s history and symptom location before concluding radiculopathy is present.
• Not a standalone diagnostic tool: The arm squeeze test screens for cervical radiculopathy as the likely source. It does not identify the specific nerve root level, the degree of compression, or the structural cause. MRI or CT myelography remain the standard for structural confirmation. Clinicians at osteopathy practices and physiotherapy services should frame the test explicitly as a screening step within a wider clinical assessment.
• Bilateral presentations: The test was validated for unilateral arm pain. Bilateral symptoms, or symptoms accompanied by lower limb neurology or gait disturbance, suggest a different or more serious pathology and require urgent specialist referral, not a special test battery.

Documenting arm squeeze test findings in clinical practice

Special test documentation is a weak point in many musculoskeletal practices. Clinicians perform the test, record a one-word outcome (“positive”), and move on. That approach fails on two counts: it provides no clinical rationale for the finding, and it creates gaps in the audit trail if the patient’s management is later reviewed.

A defensible arm squeeze test record should capture the squeeze location (confirmed as middle third), the patient’s verbal pain response, the comparative intensity (arm vs neck), and the examiner’s clinical interpretation. Building this into a structured template saves time and improves consistency across a clinical team. Guidance on safer clinical notes covers the documentation principles that apply across musculoskeletal special tests, not just the arm squeeze test.

Practice management platforms built for musculoskeletal and allied health settings, including those used in physical therapy EMR workflows, support structured note templates that clinicians can pre-populate with special test fields. Pabau’s digital forms and client records allow physiotherapy teams to build custom assessment templates that include arm squeeze test findings alongside other cervical and shoulder test results, creating a consistent documentation standard across the practice. Capture forms software also allows patient-reported symptom information to feed directly into the clinical record before the appointment, giving clinicians the subjective history context they need before performing the test itself.

For practices with multiple clinicians or locations, consistent documentation of special test findings also supports meaningful clinical audit. Tracking positive arm squeeze test rates over time, correlated with subsequent imaging findings or specialist referral outcomes, provides real-world validation data for the test within the clinic’s own patient population. The physiotherapy clinic compliance framework in the UK, for example, expects defensible clinical records for every assessment and every decision to refer or not refer. Standard test templates are one of the simplest ways to meet that expectation consistently.

Conclusion

The arm squeeze test addresses one of the most common and consequential diagnostic challenges in musculoskeletal practice: whether a patient’s arm symptoms come from the neck or the shoulder. With a sensitivity of 0.96 and specificity of 0.90 from the original validation study, it is among the most diagnostically powerful equipment-free tests available for this differential. Performed correctly, interpreted carefully, and documented thoroughly, it directs the rest of a clinical assessment far more efficiently than history alone.

If your practice needs structured templates for documenting orthopaedic special tests, including arm squeeze test findings, Pabau’s digital forms and clinical record tools give physiotherapy and musculoskeletal teams a consistent, auditable documentation framework. See how it works for physical therapy practices or book a demo to explore the clinical documentation tools in more detail.

Continue your research

Need a clinical note template for musculoskeletal assessments? Safer clinical notes covers the principles of defensible documentation across special tests and assessment findings.

Running a physiotherapy or sports medicine clinic? Physiotherapy clinic management software explains what to look for in a practice management platform built for allied health workflows.

Looking to build structured intake and assessment forms? Chiropractic intake form template provides a ready-to-use clinical intake structure that adapts to musculoskeletal assessment workflows.

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