Trigger Finger – When Your Finger Clicks

by Son PMR(Physical medicine & Rehabilitation ) & Chiropractic Clinic in Seoul

Have you ever experienced a clicking sound or locking sensation when bending or straightening your finger? Sometimes it’s even painful, and your finger may get stuck in a bent position. This condition is known as Trigger Finger. It most commonly affects the thumb, middle, and ring fingers, and is frequently seen in people who use their hands often for work, especially middle-aged women.

🔍 Causes & Mechanism

Trigger finger occurs when the flexor tendon, which helps you bend your finger, has difficulty gliding smoothly through a structure in the palm called the A1 pulley. This happens due to inflammation or thickening of the tendon sheath, causing the tendon to get stuck or "catch."

📌 Common Causes

  • Repetitive hand use (e.g. household chores, typing, carpentry, playing musical instruments)

  • Micro-injuries or inflammation of the finger tendons

  • Stenosing tenosynovitis around the pulley system

  • Underlying systemic diseases like diabetes or rheumatoid arthritis

  • More frequent in women over 50

💉 Treatment Options

1. Conservative Treatment

  • Rest and warm compresses

  • Oral NSAIDs (non-steroidal anti-inflammatory drugs)

  • Wearing a nighttime finger splint to reduce strain during sleep

2. Stretching and Rehabilitation Exercises

📌 Highly recommended for early to mid-stage cases

👉 Finger Extension Stretch

  • Place your palm flat on a table and gently press it down with your other hand.

  • Hold for 10 seconds.

  • Repeat 3 times daily.

3. Myofascial Release Therapy

A manual therapy technique that gently releases tight fascial adhesions in the forearm and palm, reducing tendon tension and significantly improving symptoms.

🔸 Key areas treated:

  • Flexor muscles of the forearm

  • Palmar fascia

4. IMS (Intramuscular Stimulation)

This treatment targets deep trigger points in the muscles to release tension and calm overactive nerves.

  • Often applied to the forearm flexors and pronator muscles

5. PDRN Injections (Polydeoxyribonucleotide)

  • Reduces inflammation and promotes tissue regeneration near the affected pulley

  • Can be repeated safely

  • Lower risk of side effects compared to steroid injections

📊 Treatment Comparison Summary

Treatment TypeFeaturesBest Time to Apply
StretchingImproves flexibility, preventiveAll stages
Myofascial ReleaseRelieves tendon tension, reduces painAcute & chronic stages
IMSEases muscle tightness, calms nervesChronic pain
PDRN InjectionsAnti-inflammatory, regenerates tissueWith conservative therapy

If you or someone you know struggles with finger locking or clicking, consider these treatment options early on. A combination of gentle therapies and professional guidance can bring noticeable relief without surgery. 

👍Consultation and Appointment Information

Son PMR & Chiropractic Clinic( 2nd floor, 229-1 Gucheonmyun-Ro, Gangdongu, Seoul, South Korea) 

by  Dr Son MD & DC 
Contact: 02-482-8875 in Seoul( +82-2-482-8875)

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