Jerk Test

 Jerk Test

What is Jerk test?

How it’s Performed?

Jerk Test
Jerk Test

What does a positive Jerk Test mean?

Sensitivity & Specificity

A comparison study by Seung-Ho Kim2 on 172 painful shoulders, the Kim test was compared with the jerk test and was verified by arthroscopic examination, the accuracy of jerk test was as following:

posteroinferior labral lesion
Posteroinferior Labral Lesion


  1. Dhir J, Willis M, Watson L, Somerville L, Sadi J. Evidence-Based Review of Clinical Diagnostic Tests and Predictive Clinical Tests That Evaluate Response to Conservative Rehabilitation for Posterior Glenohumeral Instability: A Systematic Review. Sports Health. 2018;10(2):141-145. doi: 10.1177/ 1941738117752306. PMID: 29356622.
  2. Kim SH, Park JS, Jeong WK, et al: The Kim test: A novel test for posteroinferior labral lesion of the shoulder- a comparison to the jerk test. The American journal of sports medicine 33:1188–92, 2005. PMID: 16000664
  3. Clinical Tests for the Musculoskeletal System, Third Edition
  4. Millers Review of Orthopaedics, 7th Edition

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