The Apprehension Test assesses whether placing the shoulder into abduction and external rotation produces apprehension or a feeling of impending instability. A positive result is more meaningful when the client reports apprehension, slipping or fear of dislocation rather than pain alone. Current shoulder instability sources continue to describe the apprehension, relocation, load and shift and related tests as part of a broader instability assessment rather than stand-alone diagnostic proof.
A client reports that the shoulder feels like it may “go out” when throwing, pressing overhead, reaching back or entering a 90/90 position. They may not describe the main symptom as pain. Instead, they describe fear, shifting, instability or loss of trust.
The Apprehension Test helps reproduce this instability feeling in a controlled way. It should be performed carefully and stopped when apprehension appears.
Test name: Apprehension Test
Also known as: Anterior Apprehension Test
Body region: Glenohumeral joint
Purpose: Assess anterior shoulder instability symptoms in abduction and external rotation
Positive finding: Apprehension, fear of dislocation, slipping sensation or familiar instability response
Negative finding: No apprehension or familiar instability response
Best used with: Jobe’s Relocation Test, anterior drawer, load and shift, sulcus sign, release/surprise test, shoulder ROM and instability history
Key limitation: Pain alone is not the same as apprehension
The Apprehension Test is a shoulder instability provocation test. The shoulder is positioned into abduction and external rotation to stress the anterior shoulder.
The key positive response is apprehension or a feeling that the shoulder may dislocate, not simply pain.
The test is used when anterior shoulder instability is part of the assessment.
It may help inform whether symptoms in overhead or externally rotated positions are related to instability, apprehension or loss of shoulder control.
The test assesses apprehension or instability response in an anteriorly vulnerable shoulder position. It does not diagnose a Bankart lesion, labral tear or capsular injury by itself.
This test may be useful for clients with prior dislocation, subluxation, overhead sport symptoms, throwing symptoms, contact sport history, pressing apprehension or shoulder instability sensations.
Use when the client can tolerate controlled shoulder abduction and external rotation and anterior instability is clinically relevant.
Use caution with acute dislocation, recent traumatic instability, severe pain, recent surgery, suspected fracture, high apprehension, neurological symptoms or inability to relax the shoulder.
Treatment table or chair
Pain and symptom scale
Measurz recording workflow
Optional comparison side notes
Position the client supine or sitting depending on the selected method.
The shoulder is abducted, commonly toward 90 degrees, with the elbow flexed.
Stand beside the tested shoulder.
Support the elbow and wrist or forearm.
Control the scapula and humerus as needed. Avoid sudden movement.
Gently externally rotate the shoulder toward the apprehension position. Some methods add a gentle anterior force.
Ask the client to report apprehension, slipping, instability, fear, pain or familiar symptoms.
A positive finding is apprehension, fear of dislocation, slipping sensation or familiar instability response.
A negative finding is no apprehension or familiar instability response.
Stop when apprehension appears, pain increases sharply, guarding occurs or the client feels unsafe.
Do not push past apprehension. Pain alone should be recorded but not automatically treated as an instability-positive result.
A positive Apprehension Test may support anterior instability reasoning when it reproduces apprehension, fear of dislocation or familiar instability symptoms.
Pain without apprehension may reflect other shoulder pain mechanisms and should be recorded separately.
A negative test does not exclude instability, especially when symptoms are sport-specific, load-specific or occur only at higher speeds.
Interpretation is stronger when combined with relocation response, instability history, anterior drawer, load and shift, sulcus sign, shoulder ROM and strength.
There is published diagnostic accuracy data for the Apprehension Test, especially in people with suspected anterior shoulder instability.
A commonly cited study by Lo et al. (2004) reported that the Apprehension Test was more useful when the positive finding was true apprehension/instability, rather than pain alone.
Reported values when apprehension was used as the positive finding:
Sensitivity: approximately 65–72%
Specificity: approximately 96%
This means:
A positive Apprehension Test can strongly increase suspicion of anterior shoulder instability.
A negative test does not fully rule it out.
The test is more meaningful when it produces a feeling of instability, fear, or apprehension — not just shoulder pain.
Shoulder instability assessment benefits from combining the Apprehension Test with Jobe’s Relocation Test, load and shift, sulcus sign and clinical history. Contemporary shoulder instability guidance describes these tests as part of physical examination rather than as single definitive diagnostic tools.
Reliability depends on shoulder position, degree of external rotation, examiner force, client history, apprehension criteria and communication.
Common errors include treating pain alone as positive, moving too quickly, pushing past apprehension, ignoring prior dislocation history, not recording position and using the test as diagnostic proof.
Limitations include client guarding, fear, pain overlap, posterior or multidirectional instability, hypermobility and sport-specific symptom reproduction.
Use the Apprehension Test to document shoulder instability response in abduction and external rotation. It is most useful when paired with relocation testing and a detailed instability history.
Record test name, side tested, result, apprehension yes/no, pain score, symptom location, arm position, degree of abduction/external rotation if measured, anterior force used or not used, familiar symptoms, guarding, comparison side, confidence in result and reason for stopping.
Add related findings such as Jobe’s Relocation Test, anterior drawer, load and shift, sulcus sign, shoulder ROM, shoulder strength and sport-specific symptoms.
Jobe’s Relocation Test
Anterior Drawer Test of the Shoulder
Load and Shift Test
Norwood Stress Test
Sulcus Sign
Shoulder ROM Tests
Shoulder Strength Testing
Throwing Assessment
It assesses whether the shoulder feels unstable or apprehensive in abduction and external rotation.
A positive finding is apprehension, fear of dislocation, slipping or familiar instability symptoms.
No. Pain should be recorded, but apprehension is the key instability finding.
No. It may support instability reasoning but does not diagnose a labral tear.
Record side, arm position, apprehension, pain, symptoms, guarding and stopping reason.
The Apprehension Test assesses anterior shoulder instability symptoms.
Apprehension is more meaningful than pain alone.
Do not push past apprehension.
Use it with relocation and other instability tests.
Measurz should capture arm position, symptoms and stopping point.
Kramer, J., et al. (2020). Shoulder conditions: Traumatic instability and laxity. FP Essentials, 492, 11–19.
Hurley, E. T., et al. (2022). Anterior shoulder instability: Current concepts in diagnosis and management.
Lo, I. K. Y., Nonweiler, B., Woolfrey, M., Litchfield, R., & Kirkley, A. (2004). An evaluation of the apprehension, relocation, and surprise tests for anterior shoulder instability. The American Journal of Sports Medicine, 32(2), 301–307. https://doi.org/10.1177/0363546503258690
Gismervik, S. Ø., Drogset, J. O., Granviken, F., Rø, M., & Leivseth, G. (2017). Physical examination tests of the shoulder: A systematic review and meta-analysis of diagnostic test performance. BMC Musculoskeletal Disorders, 18, 41. https://doi.org/10.1186/s12891-017-1400-0
