The Link Between Myofascial Trigger Points and Pain

the-link-between-myofascial-trigger-points-and-pain

A myofascial trigger point (MTrP) is a nodule or lump on your muscle that you can usually feel by rubbing your hand over the muscle. You may even be able to see it on the surface of your muscle through your skin. However, sometimes an MTrP may be hidden behind bone or beneath other muscles.

MTrPs are taut bands of fibrous tissue that cause your muscle to shorten, and may cause pain or weakness in the affected muscle. If the MTrP compresses a nerve, pain may be felt in areas of the body that are nowhere near the location of the MTrP.

Causes of MTrPs

MTrPs may result from injury, repetitive overuse during exercise, surgery, poor posture, chronic stress and muscle strain. Depending on their location, MTrPs can entrap or compress nerves, causing referred autonomic issues such as pain, dizziness, nausea, digestive and eliminatory problems, and more. If an MTrP compresses a blood or lymph vessel, it can cause swelling and restrict blood flow.

Types of MTrPs

There are basically three types of MTrPs: Primary, Secondary and Satellite

Primary MTrPs: A primary MTrP is where the trouble begins, originating at a point where a muscle is overloaded in some way. Common causes of overload include:

  • sitting for long hours without muscular support, as when sitting at a computer with your head drooping forward
  • repetitive use activities, like lobbing a tennis ball for extended periods of time
  • muscle overuse, as when weight training muscles that have not recovered from their last workout
  • stress that causes you to tense your muscles, most notably around your neck and shoulders
  • injury to the muscle through trauma or surgery

Secondary MTrPs: When you fail to treat a primary MTrP, you may begin to compensate for the pain and discomfort it causes by shifting the workload to other muscles. Because you are using those muscles in ways they are unaccustomed to, and were not meant to be used, you may develop MTrPs in those muscles as well.

Satellite MTrP: A satellite MTrP develops in the referred pain region initiated by a primary trigger point. For example, if you develop a primary MTrP in your trapezius from staring at a computer all day, you may begin to feel pain along the SCM muscles in the sides of your neck. Over time, they in turn may develop MTrPs.

Stages of MTrPs

Once initiated, MTrPs go through two stages:

Active Stage: An active MTrP, whether primary or secondary, causes pain while at rest. The locus of the MTrP may feel tender, tight and weak. When pressure is applied, you may experience a twitch response, or you may feel referred pain in another area. The referral zone itself may even become tender.

Latent Stage: Unlike an active MTrP that is painful at rest, a latent MTrP is only painful when pressure is applied. It may be primary or secondary, but it still restricts muscle movement, and can affect joints in your spine and extremities, causing stiffness, weakness and autonomic effects. Because latent MTrPs are painless at rest, you may be unaware of them, yet they may be at the root problems like headaches, joint pain and other issues.

Diagnosis and Treatment

MTrPs are suspected to be at the root of chronic pain conditions like fibromyalgia. sciatica, pelvic floor pain, testicular pain, restless leg syndrome, headaches, and others. Early detection and treatment are key to preventing a primary MTrP from creating a host of other serious health problems.

If you are suffering from chronic pain of unknown origin, or you have detected an MTrP, you should seek diagnosis and treatment at the earliest stage possible. A trained clinician will evaluate you using manual palpation, diagnostic ultrasound and other techniques to detect MTrPs and their referral zones.

The professionals at NYDNRehab have the expertise, technology and experience to detect, diagnose and treat MTrPs and their related symptoms. Let NYDNRehab get to the bottom of your pain, so you can stop hurting and start healing.

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