Ultrasound-Guided Interventional Procedures: Myofascial Trigger Points With Structured Literature Review.

Ultrasound-guided injections in pain medicine are a common intervention. They have been used to manage myofascial trigger points (MTrPs) in different muscles of the body. The main objectives of this article were to review ultrasound-guided injection techniques used for treating MTrPs. We also summarize the anatomy and sonoanatomy of MTrPs using the upper trapezius muscle as an example.