Trigger Point Injections
Trigger points are discrete, focal, hyperirritable spots located in a taut band of skeletal muscle. They produce pain locally and in a referred pattern and often accompany chronic musculoskeletal disorders. Acute trauma or repetitive microtrauma may lead to the development of stress on muscle fibers and the formation of trigger points. Patients may have regional, persistent pain resulting in a decreased range of motion in the affected muscles. These include muscles used to maintain body posture, such as those in the neck, shoulders, and pelvic girdle.
Trigger points may also manifest as tension headache, tinnitus, temporomandibular joint pain, decreased range of motion of the extremities, and low back pain. Some patients have had enough symptoms from trigger points that they were originally misdiagnosed with Reflex Sympathetic Dystrophy (Complex Regional Pain Syndrome). Trigger point injections are injections of an anesthetic such as lidocaine and/or steroid solution or PRP to help the muscle relax and to decrease pain and inflammation.
If trigger point injections do not resolve the issue then frequently the surrounding ligament and/or tendon attachments need to be addressed with PRP or prolotherapy for the trigger point to resolve permanently.
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