TrPs typically arise from , which can be acute (injury) or chronic (poor posture, repetitive stress).

Produce spontaneous local and referred pain that mimics the patient’s familiar discomfort.

A transient visible contraction of muscle fibers when the TrP is palpated or needled.

This report outlines the clinical and therapeutic framework of trigger points (TrPs), hyperirritable nodules found within taut bands of skeletal muscle fibers.

Physically present as a palpable nodule but only painful when compressed; they do not cause spontaneous pain.

An involuntary withdrawal or behavioral response to pressure, reflecting extreme tenderness.