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What are myofascial trigger points?

In this article, we will discuss about Myofascial trigger points. So, let’s get started.

Myofascial trigger points

Myofascial trigger points are discrete, focal, hyperirritable or hypersensitive soft tissue areas/spots (taut like band) that are felt like palpable nodules. They produce pain locally or in a referred pattern often acompanied by chronic musculokeletal disorders. Repetitive stress, acute trauma or microtrauma often leads to developoment of myofascial trigger points. Symptoms includes persistent pain (localized or referred), tenderness of the affected region, and decreased range of motion of the affected muscle. On palpation the trigger points are felt harder than normal consistency, nodular, and occasionally tender. Management includes Spray and Stretch technique, Trigger point pressure release technique, Myofascial release therapy, and Trigger point injection such as dry needling are some of the effective treatment modalities for trigger point pain relief.

Diiferent types of trigger points

Primary and Secondary/Central and Satellite trigger points

Primary or Central trigger points are local trigger points which when palpated produces pain. Specific characteristics includes that they are well-established, high intensity pain zone, and are present at or in the vicinity of neuromuscular junction.

Secondary or Satellite trigger points are present in the neighbouring areas of the central trigger points within the referred pain zone.

Active and Latent trigger points

Active trigger points can be applied to both central and satellite trigger points, they are tender to palpation and elicits a referred pain pattern. Pain can limit range of motion

Latent trigger points are not painful and do not elicits any referred pain. Although their presence leads to increased muscle tension/tighteness and stiffness. Force palpation or stimulation such force muscular activity or trauma or acute injury can re-activate an inactive trigger point.

We will further differentiate between active and latent trigger points as stated below

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