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Schaeffers Test

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Other Names

Schaeffer's Test[1]
Schaeffer's standard test for visualization of the tendon of the palmaris longus muscle (PL): bilateral presence of PL (a); right presence of PL (b); bilateral absence of PL (c); arrows -tendons of the tested muscles; asterisks -flexor carpi radialis muscle[2]
  • Schaeffers Test
  • Schaeffer's Test
  • Standard test

Purpose

Description

  • The patient is asked to oppose the thumb to the little finger and then flex the rest
  • Positive test is prominence of the palmaris longus tendon

Pathology

  • Absence/presence of Palmaris Longus

Evidence

  • Unknown

See Also

References

  1. ↑ Shenoy, Ravindra Mohan. "Two new clinical tests for palmaris longus." Indian Journal of Plastic Surgery 51.03 (2018): 321-323.
  2. ↑ Popnikolov, Matei, et al. "Absence of Palmaris Longus Muscle and Flexor Digitorum Superficialis Muscle Tendon to the Little Finger–Incidence in the Bulgarian Population." Acta morphologica et anthropologica 27: 1-2.
Created by:
John Kiel on 5 June 2025 14:49:54
Authors:
Last edited:
5 June 2025 16:41:01
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