Stenosing tenosynovitis, also known as “trigger finger,” is a repetitive strain injury that is one of the most common injuries in the workplace. It is marked by one finger or thumb that is stuck in a bent position and pops or snaps when straightened. The cause is an inflamed or irritated flexor tendon.

As it slides through the sheath tunnel, the back and forth motion creates irritation which can lead to thickening of the tendon and even the formation of nodules. This can impede its movement through the sheath which can also thicken so that the opening that the tendon slides through becomes smaller.

What are the symptoms of trigger finger?

A person that has trigger finger may experience several symptoms in one or more fingers or thumb including:

• Pain when straightening or bending the finger
• Swelling
• A lump in the palm that is tender
• The finger or thumb joints have a popping or catching sensation
• Stiffness
• The impaired tendon may suddenly break free causing the finger to snap straight or feel like it is dislocating

Some symptoms, like the stiffness, popping, and catching, may be more pronounced after periods of inactivity. The patient may find that upon waking they have difficulty, but as they move their fingers they loosen, and the symptoms aren’t as cause. In severe cases, the patient is unable to straighten their finger, even with help.

What causes trigger finger?

Many times the cause of trigger finger is not known. They may notice a gradual decline or they may wake up one day and experience symptoms. There are certain health conditions and circumstances that put some patients at a higher risk of developing trigger finger:

• Men tend to get trigger finger more than women do
• The most common age group for trigger finger is between 40 and 60 years old
• It is prevalent in patients with rheumatoid arthritis, diabetes, and other medical conditions
• Repetitive hand motions such as typing, gripping power tools, or playing video games
• Activities where the hands are in constant repetitive action.

What are the treatments for trigger finger?

There are surgical and nonsurgical treatments for trigger finger, depending on the severity of the condition. When the symptoms are mild, the patient may be advised to, rest the finger and take over the counter pain relievers like acetaminophen or cause to help reduce inflammation and minimize pain. The patient may also wear a splint to facilitate the resting position of the finger better.

In some cases, the doctor may advise steroid injections administered directly into the tendon sheath to correct the problem. Sometimes this procedure only provides temporary relief and requires a second injection. If the condition shows no improvement after the second injection, the patient may be advised to undergo surgery. If the patient has had trigger finger for a long time or if they have a medical condition such as diabetes, injections are not likely to be as, or a permanent solution.

Some patients undergo surgery to correct trigger finger. The is purely elective since the condition is not considered dangerous. The operation opens the tendon sheath, the tunnel that the tendon slides through, to move easier. It is usually done on an outpatient basis.

Chiropractic for trigger finger

• Two chiropractic treatments for trigger finger:
• Active Release Technique (ART)
• Graston technique
• Studies have found these chiropractic techniques to be very useful in treating trigger finger.

An instrument based soft tissue therapy may also be used to help reduce tension in the muscles around the area. Chiropractors typically use a whole-body approach to help the patient achieve relief and healing. They recognize that most conditions are not limited to only what appears to be the affected area so they will employ techniques that treat the associated regions of the body as well, which, provides the patient with more reliable relief without the use of invasive procedures. Chiropractic is a practical, natural way to treat trigger finger.

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