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Related Concept Videos

Reflex Activity01:08

Reflex Activity

A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...

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Related Experiment Video

Updated: Jun 22, 2026

A Standardized Acupotomy Protocol For The Treatment of Tenosynovitis of Hand Flexor Tendons In Human Patients
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Published on: May 26, 2026

Trigger finger: etiology, evaluation, and treatment.

Al Hasan Makkouk1, Matthew E Oetgen, Carrie R Swigart

  • 1Yale University School of Medicine, 333 Cedar Street, New Haven, CT, 06510, USA.

Current Reviews in Musculoskeletal Medicine
|May 27, 2009
PubMed
Summary

Trigger finger, caused by A1 pulley inflammation, leads to finger pain and stiffness. Effective treatments like injections or surgery are available for this common condition.

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Last Updated: Jun 22, 2026

A Standardized Acupotomy Protocol For The Treatment of Tenosynovitis of Hand Flexor Tendons In Human Patients
07:05

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Published on: May 26, 2026

Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome
05:18

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Published on: May 26, 2023

Area of Science:

  • Orthopedics
  • Hand Surgery
  • Rheumatology

Background:

  • Trigger finger involves inflammation and narrowing of the A1 pulley.
  • It causes pain, clicking, catching, and restricted motion in affected fingers.
  • This condition is more prevalent in women and diabetic individuals, typically between ages 40-60.

Purpose of the Study:

  • To summarize the common causes, diagnosis, and treatment of trigger finger.
  • To highlight the typical patient demographic and clinical presentation.
  • To review the effectiveness of various treatment options.

Main Methods:

  • Review of existing literature on trigger finger.
  • Analysis of diagnostic criteria and clinical presentation.
  • Evaluation of treatment outcomes for splinting, corticosteroid injections, and surgical release.

Main Results:

  • Trigger finger is diagnosed based on characteristic symptoms like clicking and locking.
  • Differential diagnosis must exclude fractures, tumors, and other soft tissue injuries.
  • Conservative and surgical treatments demonstrate high efficacy.

Conclusions:

  • Trigger finger is a common condition with clear diagnostic indicators.
  • Treatment is tailored to symptom severity and duration.
  • Various effective interventions exist, including non-surgical and surgical options.