Lazar Spinal Care Blog | Guides on Pain & Injury

What Causes Trigger Finger? A Simple Guide

Written by Dr. Grant Clark | Dec 11, 2025 4:26:12 PM

That frustrating catch in your finger. The one that clicks or locks up when you try to straighten it. This isn't just a random ache; it's a common condition called trigger finger, and it can make simple tasks feel like a real chore. Finding relief starts with understanding what causes trigger finger. This condition, sometimes called trigger finger disease, has specific triggers. We'll cover the main reason for trigger finger, explore the early warning signs, and show you holistic ways to restore smooth, pain-free movement to your hand.

What Exactly Is Trigger Finger?

Trigger finger, medically known as stenosing tenosynovitis, is a condition that affects the flexor tendons in the fingers or thumb. This disorder causes the affected finger to catch or lock in a bent position before suddenly releasing—much like pulling and releasing a trigger. Over time, this can make everyday tasks difficult, causing discomfort and frustration.

The underlying issue lies in the inflammation or thickening of the tendon sheath, which narrows the space through which the tendons glide. As a result, normal finger movement becomes restricted, leading to the classic triggering sensation.

The Role of the A1 Pulley

So, what’s happening inside your hand to cause this frustrating "triggering"? It all comes down to a system of tendons and pulleys. Think of the tendons as long strings that connect your forearm muscles to your finger bones, allowing you to bend them. These tendons glide through a series of tunnels, or sheaths, which are held in place by ligaments called pulleys. The A1 pulley, located at the base of your finger in the palm, is often the main culprit. When this pulley becomes inflamed or thickened, it narrows the tunnel. This constriction makes it difficult for the tendon to slide through smoothly, causing it to catch and then suddenly pop free, creating that distinct locking and releasing sensation.

Which Fingers Are Affected?

While trigger finger can technically develop in any finger, it doesn't play favorites equally. The condition most commonly appears in the ring finger and the thumb (which is then called "trigger thumb"). The reason isn't entirely clear, but it may be related to the anatomy and the way we use these digits for gripping and fine motor tasks. If you're experiencing this locking sensation, know that you're not alone and it's a well-understood mechanical issue. Identifying the specific finger is the first step, but understanding the underlying cause of the inflammation is key to finding a lasting solution for the many conditions we help with at our clinic.

How Common Is This Condition?

If you’re dealing with a clicking, locking finger, you’re in pretty common company. Trigger finger affects about two to three percent of the general population. However, that number can jump significantly for individuals with certain risk factors, such as diabetes, rheumatoid arthritis, or a history of repetitive hand-intensive work. For these groups, the prevalence can be as high as 10%. It’s also more common in women and typically appears in people between the ages of 40 and 60. Recognizing that this is a frequent issue can be reassuring, and it means that effective treatment pathways are well-established for new patients seeking relief.

Trigger Finger vs. Arthritis

It’s easy to confuse trigger finger with arthritis, since both can lead to hand pain and stiffness, especially in the morning. However, they are fundamentally different conditions. The key distinction lies in what part of the hand is affected. Arthritis is a joint disease, causing inflammation and deterioration of the cartilage within the finger joints themselves. Trigger finger, on the other hand, is a tendon problem. It involves the inflammation of the tendon sheath, not the joint. While you might have both conditions simultaneously, the tell-tale sign of trigger finger is that mechanical catching or locking, which isn't a typical symptom of arthritis.

Trigger Finger vs. Dupuytren’s Contracture

Another condition that gets mixed up with trigger finger is Dupuytren’s contracture. Both can cause fingers to bend toward the palm, but the mechanism is completely different. Dupuytren’s contracture is caused by the thickening and tightening of the fascia—the layer of tissue just beneath the skin of your palm. This process forms hard knots and cords that slowly pull the fingers into a permanently bent position. With trigger finger, the finger can often be straightened, either on its own or with help from the other hand, and the issue is with the tendon's movement, not the tissue in the palm. A proper diagnosis is crucial, so if you're unsure, it's always best to request an appointment for a thorough evaluation.

What Are the Early Signs of Trigger Finger?

The hallmark symptom of trigger finger is a noticeable popping or clicking when moving the finger. In the early stages, you may observe stiffness, especially upon waking in the morning, or mild tenderness at the base of the affected digit. Swelling, a palpable nodule, and pain when gripping objects are also common.

As the condition progresses, the finger may remain bent and require manual straightening. Without proper care, the affected finger can become locked in a flexed position, significantly impacting hand function and quality of life.

Impact on Daily Activities

Trigger finger can turn simple, everyday tasks into frustrating hurdles. You might find it difficult to grip and manipulate objects, which affects your ability to perform essential functions like typing, buttoning clothes, or even holding a coffee cup. As noted by the Mayo Clinic, these daily difficulties are a hallmark of the condition, impacting everything from your work to your hobbies.

In the early stages, symptoms like stiffness and locking are often more pronounced in the morning. This can disrupt your entire routine and set a frustrating tone for the rest of the day. The Cleveland Clinic explains that while these symptoms may ease up a bit as you use your hands, the underlying inflammation and mechanical issue remain, ready to cause discomfort again.

As the condition progresses, the affected finger may stay in a bent position, requiring you to manually straighten it with your other hand. This can lead to a significant decline in hand function and your overall quality of life. Without proper care, the limitations imposed by trigger finger can escalate, which is why it's crucial for anyone experiencing symptoms to seek professional advice.

Most importantly, trigger finger won't heal on its own. Waiting for it to get better can lead to a permanently bent finger and chronic pain. Seeking a professional diagnosis is the first step toward recovery. At Lazar Spinal Care, we focus on uncovering the root cause of your discomfort and offer advanced, non-invasive treatments like Laser Therapy to reduce inflammation and promote tissue healing, helping you regain function and get back to your daily activities.

What Causes Trigger Finger?

Trigger finger can impact anyone, but it tends to be more common in individuals who perform repetitive hand movements or gripping actions. This includes people whose work or hobbies involve tools, musical instruments, or manual labor. Individuals with certain health conditions—such as diabetes, rheumatoid arthritis, or thyroid disorders—are also at an increased risk due to underlying inflammation or metabolic changes.

Women, particularly those between the ages of 40 and 60, are statistically more likely to experience trigger finger. Understanding individual risk factors can help with early identification and prevention strategies.

Underlying Health Conditions

Sometimes, trigger finger isn't just about repetitive motion; it can be a signal from your body about a deeper health issue. Certain medical conditions are known to increase your risk because they contribute to systemic inflammation or metabolic changes that affect your tendons. These include conditions like diabetes, rheumatoid arthritis, gout, and thyroid disease. If you're managing one of these, you might be more susceptible to the inflammation that causes the tendon sheath to thicken and restrict movement. This is a perfect example of how a seemingly isolated symptom can be connected to your body's overall wellness. Understanding these links is the first step toward finding a comprehensive solution that addresses the root cause, rather than just masking the pain.

Other Risk Factors

Beyond specific health conditions, a few other factors can play a role in developing trigger finger. It’s most common in people between the ages of 40 and 60, and it tends to affect women more often than men. Your daily activities also matter a great deal. If your job or a favorite hobby involves repetitive gripping, squeezing, or forceful hand movements—think construction, gardening, or even playing a musical instrument—you could be at a higher risk. While trigger finger affects about 1% to 2% of the general population, that number can jump to 20% for individuals with these high-risk factors. If you recognize these risk factors and are dealing with hand pain, it might be time to seek a professional opinion.

How Can You Find Relief from Trigger Finger?

Conventional treatment for trigger finger often begins with rest, splinting, and anti-inflammatory medications. Steroid injections can provide temporary relief by reducing inflammation in the tendon sheath. In persistent or severe cases, minor surgical procedures may be recommended to release the constricted tendon and restore smooth movement.

Beyond traditional approaches, advanced therapies such as regenerative medicine, targeted physical therapy, and low-force manual techniques are gaining popularity. These options focus on reducing inflammation, promoting natural healing, and preserving hand function without invasive interventions.

Conventional Medical Treatments

When you visit a doctor for trigger finger, the treatment plan usually follows a well-established path. The goal is to reduce inflammation and restore your finger's normal movement, starting with the simplest, least invasive methods first. These conventional approaches are designed to manage the symptoms directly at the site of the problem—the inflamed tendon and its sheath. While many people find relief with these treatments, they primarily focus on calming the immediate irritation rather than addressing the potential underlying biomechanical issues that may have contributed to the condition. Understanding these options is the first step in making an informed decision about your care.

Over-the-Counter Medications

The initial recommendation for managing trigger finger often involves a combination of rest and over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen. These medications can help decrease both the pain and the swelling in your hand, making daily activities more comfortable. Your doctor might also suggest wearing a splint, especially at night, to keep the affected finger in a straight, neutral position. This prevents the finger from curling up while you sleep and gives the inflamed tendon a chance to rest and heal. While these steps can provide temporary relief, they are often most effective in the very early stages of the condition.

Steroid Injections

If rest and medication don't resolve the issue, your doctor may suggest a corticosteroid injection. This involves injecting a powerful anti-inflammatory medication directly into the tendon sheath at the base of the affected finger. For many people, this provides significant and rapid relief from the catching and pain, often resolving the symptoms completely after one or two shots. However, it's important to know that the effects can sometimes be temporary. Medical experts also advise against receiving too many injections in the same spot, as repeated use can potentially weaken the tendon over time. This option is highly effective at reducing inflammation but may not prevent a recurrence.

Trigger Finger Release Surgery

For persistent cases where other treatments have failed, or if your finger becomes permanently locked in a bent position, surgery may be recommended. This procedure, known as a "trigger finger release," is typically quick and performed on an outpatient basis. The surgeon makes a small incision in your palm to cut the constricted section of the tendon sheath (the A1 pulley). This creates more space for the tendon to glide through smoothly, eliminating the catching and locking. While the surgery has a high success rate, it is still an invasive procedure that comes with recovery time and potential risks, which is why many people first explore all non-surgical treatment techniques available.

How We Offer Gentle, Holistic Relief for Trigger Finger

At Lazar Spinal Care, we recognize that trigger finger is not just a localized finger problem—it often reflects underlying tension and imbalances throughout the body, including the spine and nervous system. Our gentle, non-invasive QSM3 upper cervical chiropractic technique helps release tension patterns, optimize nervous system function, and restore balance to the musculoskeletal system, which can positively influence hand and finger health.

We complement our chiropractic care with advanced therapies such as SoftWave TRT for tissue regeneration, High-Intensity Laser Therapy to accelerate healing, and BEMER Therapy to improve microcirculation. Our team also provides personalized ergonomic advice and wellness strategies to minimize recurrence. Through The Lazar Method™, we empower our patients to achieve long-lasting relief and regain optimal hand function without drugs or surgery.

 

 

How Is Trigger Finger Diagnosed?

Getting a diagnosis for trigger finger is typically a straightforward process. Unlike conditions that require extensive imaging or lab work, a doctor can usually identify it by discussing your symptoms and performing a simple physical exam. They’ll want to know about the specific sensations you’re experiencing, such as clicking, popping, or stiffness, and how these feelings impact your daily activities. The goal is to understand the full picture of how your hand function is affected and to rule out other potential issues. This initial conversation is a crucial first step in creating an effective plan to restore your hand’s mobility and comfort.

The Physical Examination Process

During the physical exam, your doctor will gently press on the palm side of your hand at the base of the affected finger to check for any tenderness or a noticeable lump, which is often a sign of an inflamed tendon sheath. They will then ask you to open and close your hand, carefully observing your finger’s movement. This helps them see the characteristic catching or locking motion firsthand. This hands-on assessment allows for an accurate diagnosis and provides the necessary information to determine the best course of action for your specific situation, ensuring you get the targeted care you need.

What Happens If Trigger Finger Is Left Untreated?

Ignoring the early signs of trigger finger can lead to more significant problems over time. What starts as a minor annoyance can progress until the finger becomes permanently stuck in a bent position. When this happens, daily tasks that you once took for granted—like gripping a steering wheel, typing on a keyboard, or even holding a coffee mug—can become difficult or painful. This loss of function can significantly affect your quality of life and independence. Seeking care early on is the best way to prevent the condition from worsening and to avoid the need for more invasive treatments down the road, helping you maintain full use of your hands.

Can Trigger Finger Be Prevented?

While you can't always prevent trigger finger, especially if it's linked to an underlying health condition, you can take steps to reduce your risk. The key is to avoid overusing your hands and fingers in repetitive motions. If your job or hobbies involve frequent gripping or forceful hand movements, make a conscious effort to take regular breaks and stretch your hands. Using tools with cushioned, ergonomic handles can also help minimize strain on your tendons. Most importantly, listen to your body. If you start to feel pain or stiffness, don't push through it. Addressing the early symptoms is a proactive way to support your long-term hand health and find a solution before the issue escalates.

Frequently Asked Questions

Why is my finger stiffer and more painful in the morning? That morning stiffness is a classic sign of trigger finger. When you're asleep, your hand is inactive for a long period, which allows inflammatory fluid to settle around the affected tendon and its sheath. This makes the area stiff and swollen, so that first attempt to bend or straighten your finger can be particularly painful and jerky. As you start moving your hand, the fluid begins to disperse and the tendon warms up, which is why the symptoms often ease up a bit throughout the day.

Can trigger finger just go away on its own? While it's tempting to hope the issue will resolve itself, trigger finger is a mechanical problem that rarely disappears without some form of intervention. Because it involves inflammation and a physical constriction of the tendon sheath, simply waiting it out can allow the condition to worsen. What starts as minor clicking can progress to a finger that becomes permanently locked in a bent position, so addressing the root cause early is the best way to ensure a full recovery.

I'm worried I'll need surgery. Is that my only option? Not at all. Surgery is typically considered a last resort for trigger finger, reserved for severe cases where the finger is permanently locked or other treatments haven't worked. There are many highly effective, non-invasive ways to find relief. Therapies that focus on reducing inflammation, promoting tissue healing, and addressing underlying biomechanical stress can restore smooth movement to your finger without the need for an operation.

How can a chiropractor help with a problem in my finger? It’s a great question that gets to the heart of how we view the body. Your hand doesn't function in isolation; it's connected to your arm, shoulder, and neck, all of which are controlled by your nervous system. Sometimes, tension and misalignments in the upper spine can disrupt nerve signals and create tension patterns that extend all the way to your fingertips. By gently correcting these core imbalances, we can help reduce the inflammation and mechanical stress that contribute to conditions like trigger finger.

Is trigger finger the same as carpal tunnel syndrome? It's easy to confuse them since they both affect the hand, but they are very different conditions. Trigger finger is a tendon issue, where the tendon that bends your finger gets stuck in its sheath, causing a locking or catching sensation. Carpal tunnel syndrome is a nerve issue, caused by the compression of the median nerve in your wrist. This typically results in symptoms like numbness, tingling, and weakness in the thumb and first few fingers, rather than a mechanical locking motion.

Key Takeaways

  • It’s a Tendon Problem, Not Arthritis: The key difference is the source of the pain. Trigger finger is caused by inflammation in the sheath that surrounds your finger's tendon, which creates that distinct locking or catching sensation, whereas arthritis affects the joints themselves.
  • Pay Attention to Early Signs and Risk Factors: Morning stiffness, a clicking sound when you move your finger, or a tender lump in your palm are early warnings. Your risk is higher if your work involves repetitive gripping or if you have certain health conditions like diabetes.
  • Address the Root Cause for Lasting Relief: While conventional treatments like injections can manage symptoms, they may not prevent recurrence. A holistic approach looks at underlying imbalances in the body that contribute to inflammation, offering a path to more sustainable healing without invasive procedures.

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