Physical examination maneuver

Physical Exam

Shoulder Strength

🎬
Video coming soon

How to Perform

Test shoulder strength against resistance in flexion, extension, abduction, adduction, internal rotation, and external rotation. For each movement, compare both sides before moving to the next. Grade strength and note any pain or give-way weakness.

How to Interpret

Showing 4 of 6 findings

Functional Neurologic Disease

Give-way (collapsing) weakness on resisted strength testing
Rule in
Very helpfulNo CI
Rule out
Somewhat helpfulNo CI
Evidence:Moderate

Infraspinatus Tear

Positive external rotation lag sign with the arm at the side (0 degrees of abduction)
Rule in
HelpfulWide CI
Rule out
Not helpfulDerived CI
Evidence:Moderate

Subscapularis Tear

Positive internal rotation lag sign
Rule in
InconclusiveWide CI
Rule out
Not helpfulWide CI
Evidence:Strong

Supraspinatus Tear

Empty can (Jobe) test positive on resisted abduction
Rule in
Somewhat helpful
Rule out
HelpfulDerived CI
Evidence:Moderate

References

Research in progress on one or more findings above; ratings may change.

  • Jain NB, Luz J, Higgins LD, Dong Y, Warner JJP, Matzkin E, Katz JN. The diagnostic accuracy of special tests for rotator cuff tear: the ROW cohort study. Am J Phys Med Rehabil. 2017 Mar;96(3):176-183. doi:10.1097/PHM.0000000000000566. PMID 27386812.
  • Jain NB, Luz J, Higgins LD, Dong Y, Warner JJP, Matzkin E, Katz JN. The Diagnostic Accuracy of Special Tests for Rotator Cuff Tear: The ROW Cohort Study. Am J Phys Med Rehabil. 2017;96(3):176-183. doi:10.1097/PHM.0000000000000566. PMID: 27386812. PMC5218987.
  • Lädermann A, Collin P, Zbinden O, Meynard T, Saffarini M, Chiu JC. Diagnostic Accuracy of Clinical Tests for Subscapularis Tears: A Systematic Review and Meta-analysis. Orthop J Sports Med. 2021;9(9):23259671211042011. doi:10.1177/23259671211042011. PMID 35146034. PMC8822023.
  • Kori SH, Foley KM, Posner JB. Brachial plexus lesions in patients with cancer: 100 cases. Neurology. 1981;31(1):45-50. PMID: 6256684.
  • Lauder TD, Dillingham TR, Andary M, et al. Predicting electrodiagnostic outcome in patients with upper limb symptoms: are the history and physical examination helpful? Arch Phys Med Rehabil. 2000;81(4):436-441. PMID: 10768532.
  • Daum C, Hubschmid M, Aybek S. The value of 'positive' clinical signs for weakness, sensory and gait disorders in conversion disorder: a systematic and narrative review. J Neurol Neurosurg Psychiatry. 2014 Feb;85(2):180-190. doi:10.1136/jnnp-2012-304607. PMID 23467417.
  • Bickley LS, Szilagyi PG, Hoffman RM, Soriano RP. Bates' Guide to Physical Examination and History Taking. 13th ed. Philadelphia, PA: Wolters Kluwer; 2021.
  • Swartz MH. Textbook of Physical Diagnosis: History and Examination. 9th ed. Philadelphia, PA: Elsevier; 2025.

Research last updated September 10, 2026.