Trigger Thumb

What is Trigger Thumb?

Trigger Thumb is a condition where the thumb’s tendon becomes inflamed, causing pain, clicking, or locking during movement.

• Inflammation of the tendon sheath
• Difficulty in thumb flexion and extension

Overview of the Condition

This condition often results from repetitive use or minor trauma and can affect daily tasks.

Symptoms

• Pain at the base of the thumb
• Clicking or locking sensation during movement
• Stiffness and swelling

Causes

Overuse, repetitive gripping, or minor trauma can lead to inflammation of the tendon sheath.

Diagnosis

Diagnosis is made by physical examination and patient history, sometimes supplemented by ultrasound.

Treatment Options

• Rest and activity modification
• Splinting and non-steroidal anti-inflammatory drugs (NSAIDs)
• Corticosteroid injections
• Surgical release in refractory cases

Conservative Management

Conservative care includes rest, splinting, and NSAIDs to reduce inflammation and allow healing.

Rehabilitation Exercises

1. Gentle stretching of the thumb
2. Strengthening exercises for hand muscles
3. Gradual return to activities

Surgical Options

If non-surgical management fails, a surgical release of the tendon sheath may be performed.

Anatomy Overview

The condition involves the flexor tendon of the thumb and its surrounding sheath.

Affected Areas

• Base of the thumb
• Surrounding soft tissues

Frequently Asked Questions

QuestionAnswerIs surgery always necessary?No, most cases resolve with conservative management.Can trigger thumb recur?Recurrence is possible, particularly with continued overuse.

Prevention Strategies

• Avoid repetitive gripping activities
• Use ergonomic tools and maintain proper hand posture
• Take frequent breaks during repetitive tasks

Related Conditions

• Trigger finger
• Carpal tunnel syndrome

Additional Treatments

Physical therapy and ergonomic modifications are also beneficial.