Trigger Point

A trigger point is described in clinical literature as a sensitive spot within a taut band of muscle. Pressure may hurt at the spot or reproduce familiar pain elsewhere in the body.

Researchers don’t use one uniform set of criteria, and examiners don’t always agree when identifying trigger points by touch. An esthetic practitioner can’t diagnose a trigger point or myofascial pain syndrome through palpation.

Features in clinical literature

Research commonly looks for several findings.

• a hypersensitive spot within a taut band of muscle
• local pain or reproduction of pain the person recognizes
• referred pain felt away from the pressed area
• in some examinations, a brief local twitch response

There is no agreement that every feature must appear. A 2020 systematic review of 198 clinical trials found 23 different combinations of diagnostic criteria. Some studies didn’t report their criteria clearly at all.

Limits of palpation

Clinicians have often used palpation to look for a tender spot and taut band. The result isn’t perfectly reproducible. A 2017 systematic review found low overall agreement between examiners. Local tenderness and recognition of familiar pain were relatively more consistent than other findings.

A firm or painful spot can’t establish the cause on its own. Pain location and duration, movement, nerve symptoms, and other possible conditions need to be considered.

Myofascial pain syndrome

Myofascial pain syndrome is a clinical condition involving ongoing pain in muscle and nearby soft tissue. Trigger points are often discussed as a feature, while their causes and diagnostic standards remain under study.

An everyday feeling of a knotted shoulder isn’t another name for myofascial pain syndrome. Repeated pain or difficulty moving calls for medical assessment and consideration of other causes.

Esthetic industry use

In esthetics, practitioners may borrow the term trigger point for an area that feels unusually sensitive or firm. They may press or stroke around the area while checking your response. They aren’t confirming or removing a clinical trigger point.

More pain doesn’t mean a better release. Ask the practitioner to stop if you feel sharp pain, tingling, or weakness. Pain that continues or spreads needs assessment before more esthetic care.

Related terms

• Taut band: A clinical description for a cord-like firm area within a muscle.
• Referred pain: Pain felt away from the area being stimulated.
• Myofascial pain syndrome: A clinical condition involving persistent pain in muscle and nearby soft tissue.
• Manual massage: Care that adjusts hand pressure and movement over an area.

Frequently asked questions

Is every sore spot a trigger point? No. Tenderness can occur for many reasons. One spot identified by touch can’t confirm a trigger point or a condition.

Can massage remove a trigger point? Research doesn’t establish that esthetic manual care removes trigger points. You may feel comfortable afterward, but that isn’t a diagnosis or treatment outcome.

Is a trigger point the same as myofascial pain syndrome? No. A trigger point is one clinical feature discussed in relation to the syndrome. Myofascial pain syndrome is a broader clinical condition assessed through pain and function.

This glossary entry is for general information. Experiences vary, and esthetic care isn’t intended to prevent or treat a condition.