Physical examination maneuver

Physical Exam

Triceps Deep Tendon Reflex

also known as Triceps jerk
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How to Perform

Support the patient's arm so it hangs relaxed with the elbow flexed to about 90° and strike the triceps tendon just above the olecranon with the reflex hammer. The normal response is reflex extension of the elbow.

How to Interpret

Showing all 3 findings

Cervical Myelopathy

Hyperactive / brisk triceps reflex (≥3+), with or without spread or clonus
Rule in
InconclusiveWide CI
Rule out
Not helpfulDerived CI
Evidence:ModerateResearch in progress

Cervical Radiculopathy

Diminished or absent triceps reflex (≤1+)
Rule in
Not helpful
Rule out
InconclusiveWide CI
Evidence:Moderate
Hyporeflexia (≤1+) at triceps
Rule in
Somewhat helpfulDerived CI
Rule out
Somewhat helpfulDerived CI
Evidence:Moderate

References

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

  • Yoss RE, Corbin KB, MacCarty CS, Love JG. Significance of symptoms and signs in localization of involved root in cervical disk protrusion. Neurology. 1957;7(10):673-683. PMID: 13477342.
  • Wainner RS, Fritz JM, Irrgang JJ, Boninger ML, Delitto A, Allison S. Reliability and diagnostic accuracy of the clinical examination and patient self-report measures for cervical radiculopathy. Spine (Phila Pa 1976). 2003 Jan 1;28(1):52-62. doi:10.1097/00007632-200301010-00014. PMID 12544957.
  • Rhee JM, Heflin JA, Hamasaki T, Freedman B. Prevalence of physical signs in cervical myelopathy: a prospective, controlled study. Spine (Phila Pa 1976). 2009;34(9):890-895. doi:10.1097/BRS.0b013e31819c944b. PMID: 19352222.
  • 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 9, 2026.