Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Myasthenia Gravis: Diagnostic Tests

Myasthenia Gravis: Diagnostic Tests

Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Punicalagin Promotes Peripheral Nerve Repair by Enhancing Mitophagy via the TLR4/MAPK Signaling Pathway and Facilitating Angiogenesis.

Phytotherapy research : PTR·2026

Same author

Regulation of macrophages in the dorsal root ganglion through TGF-β1 inhibits painful traumatic neuroma.

Journal of translational medicine·2025

Same author

Corrigendum to "Ginkgolide B effectively mitigates neuropathic pain by suppressing the activation of the NLRP3 inflammasome through the induction of mitophagy in rats" [Biomed. Pharmacother. 177 (2024) 117006].

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2025

Same author

Determining normal and abnormal reference values for corrective osteotomy for congenital hand malformation: a study on the zone of provisional calcification and bone axis.

Journal of orthopaedic surgery and research·2024

Same author

Ginkgolide B effectively mitigates neuropathic pain by suppressing the activation of the NLRP3 inflammasome through the induction of mitophagy in rats.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2024

Same author

The role of Gel-Ppy-modified nerve conduit on the repair of sciatic nerve defect in rat model.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology·2023

Search research articles

Related Experiment Video

Updated: Sep 20, 2025

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies

Published on: January 11, 2019

The string test: a novel test for diagnosing extensor carpi ulnaris tendonitis.

Tokai B Cooper¹, Mazhar Ali Raza¹, Hede Yan¹

¹Department of Orthopedics (Hand Surgery and Microsurgery), The Second Affiliated Hospital and YuYing Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China.

The Journal of Hand Surgery, European Volume

|May 26, 2025

Summary

The novel string test reliably diagnoses extensor carpi ulnaris tendonitis, simplifying ulnar-sided wrist pain assessment. This method reduces misdiagnosis and the need for wrist MRI scans.

Keywords:

Diagnosis ECU dorsal ulnar-sided wrist pain string test tendonitis

More Related Videos

Author Spotlight: Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

Author Spotlight: Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

Published on: May 26, 2023

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

Published on: March 3, 2018

Related Experiment Videos

Last Updated: Sep 20, 2025

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies

Published on: January 11, 2019

Author Spotlight: Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

Author Spotlight: Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

Published on: May 26, 2023

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

Published on: March 3, 2018

Area of Science:

Orthopedics
Musculoskeletal diagnostics

Background:

Ulnar-sided wrist pain presents diagnostic challenges.
Accurate diagnosis of extensor carpi ulnaris (ECU) tendonitis is crucial for effective treatment.

Purpose of the Study:

To introduce and evaluate the "string test" as a novel diagnostic tool for ECU tendonitis.
To assess the reliability and clinical utility of the string test in diagnosing ulnar-sided wrist pain.

Main Methods:

The study introduces the "string test" procedure for evaluating ECU tendonitis.
The reliability and diagnostic accuracy of the string test were assessed.

Main Results:

The string test demonstrated reliability in diagnosing extensor carpi ulnaris tendonitis.
The test shows potential to reduce misdiagnosis rates for ulnar-sided wrist pain.
Findings suggest the string test may decrease the reliance on wrist MRI.

Conclusions:

The string test is a promising, reliable diagnostic method for extensor carpi ulnaris tendonitis.
This novel test simplifies the diagnosis of ulnar-sided wrist pain.
The string test offers a valuable alternative, potentially reducing the need for advanced imaging like wrist MRI.