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Biceps Tendon Rupture Test

Jul 22, 2025

Overview

This note describes the procedure and purpose of a clinical test to assess for rupture of the bicipital tendon, specifically the long head of the biceps.

Test Purpose and Anatomy

  • The test evaluates for rupture of the long head of the biceps tendon.
  • The long head of the biceps passes through the bicipital groove, where rupture can occur.

Test Procedure

  • The patient’s elbow is positioned at 90 degrees.
  • The patient is asked to resist both supination and external rotation at the same time.
  • The examiner places one hand over the distal end of the patient’s forearm.
  • The examiner palpates in the bicipital groove to assess tendon integrity during resistance.

Interpretation

  • If the tendon is intact, resistance is maintained with no abnormal movement.
  • If the tendon is ruptured, subluxation (displacement) of the tendon may be observed out of the groove.