How Therapy Relieves Trigger Point Pain

Ever felt a small, tender knot in your shoulder or back that seems to radiate pain elsewhere? That tight, marble-like spot may be a trigger point a common but often misunderstood source of muscle pain.

Trigger points can limit movement, cause headaches, and even contribute to symptoms like joint pain or ringing in the ears. The good news? Several therapies may help reduce discomfort and restore mobility.

Here’s what you need to know.

What Are Trigger Points?

A trigger point is a taut band of skeletal muscle that feels like a small knot under the skin. Unlike a full muscle cramp such as a Charley horse a trigger point affects only a small portion of the muscle rather than causing the entire muscle to spasm.

When pressed, trigger points may:

• Feel tender or painful

• Cause pain at the spot itself

• Refer pain to another part of the body

• Limit range of motion

They’re part of a broader condition known as myofascial pain, which affects the connective tissue (fascia) surrounding muscles.

Active vs. Passive Trigger Points

Trigger points fall into two main categories:

Passive Trigger Points

These hurt only when pressed. For example, if someone presses on a knot in your hamstring, you’ll feel pain right there.

Active Trigger Points

These cause pain both locally and in other areas. A trigger point in your shoulder, for instance, might trigger pain down your arm or into your chest.

Referred pain can make trigger points tricky to identify.

Where Do Trigger Points Commonly Occur?

Trigger points can develop anywhere there’s muscle tissue. However, they’re especially common in:

• Upper trapezius muscles (neck and shoulders)

• Lower back (quadratus lumborum)

• Hamstrings

• Calves

• Iliotibial (IT) band

Musculoskeletal pain affects nearly 1 in 2 adults worldwide, and trigger points are frequently involved in chronic muscle discomfort.

What Causes Trigger Points?

Trigger points often form after muscle injury or prolonged strain. Common triggers include:

• Repetitive tension or overuse

• Poor posture

• Inactivity

• Sleeping in awkward positions

• Chronic stress

• Physically demanding jobs

Other possible contributing factors include:

• Hormonal changes

• Vitamin B or iron deficiency

• Infection

• Autoimmune conditions

One theory suggests trigger points restrict blood flow within muscle tissue. Reduced circulation limits oxygen and nutrients, which can create a pain cycle that’s difficult to break.

When Trigger Points Become Chronic

If trigger point pain persists, you may be diagnosed with myofascial pain syndrome. This condition involves ongoing muscle pain, often accompanied by:

• Limited range of motion

• Frequent headaches

• Poor sleep

• Dizziness

• Mood changes such as depression

Because chronic pain can affect both physical and mental well-being, comprehensive treatment is important.

How Can Therapy Help?

Treatment focuses on reducing pain, restoring circulation, and improving movement.

Manual Therapy

Techniques include:

• Deep tissue massage

• Myofascial release

• Self-massage with foam rollers or tennis balls

Applying sustained pressure temporarily reduces blood flow, which triggers nitric oxide release. This chemical helps open tiny blood vessels, increasing circulation and potentially easing the trigger point.

Dry Needling

In dry needling, a healthcare provider inserts a thin needle directly into the trigger point. The needle is moved in and out to stimulate release.

Many experts consider dry needling one of the more effective approaches for reducing trigger point pain. Mild soreness afterward is common.

Trigger Point Injections

Similar to dry needling, but the needle contains a local anesthetic. Some providers also use corticosteroids, though evidence for their added benefit is limited.

Spray and Stretch

A therapist applies a cooling spray to the area and then gently stretches the muscle. The goal is to interrupt the pain-spasm cycle.

Ultrasound Therapy

Ultrasound may help warm deeper tissues and improve blood flow, though research on its effectiveness for trigger points is mixed.

Medication

When needed, providers may recommend:

• Nonsteroidal anti-inflammatory drugs (NSAIDs)

• Muscle relaxants

• Certain antidepressants

• Antiseizure medications

Medication is often used alongside physical therapies rather than alone.

Self-Care Strategies

In addition to professional treatment, you can support muscle health by:

• Maintaining good posture

• Taking movement breaks during long sitting periods

• Stretching regularly

• Staying hydrated

• Prioritizing sleep

• Managing stress

Gentle, consistent movement is often more helpful than complete rest.

The Bottom Line

Trigger points are small but powerful sources of muscle pain. Whether they cause localized tenderness or referred discomfort, targeted therapies especially manual treatment and dry needling can help reduce pain and restore mobility.

If muscle knots are interfering with your daily life, a physical therapist or healthcare provider can help tailor a treatment plan.

If you found this article helpful, share it with someone dealing with muscle pain or subscribe to our newsletter for more wellness insights.