Trigger points and tension headaches (medical article)

New Evidence for Trigger Point Involvement in Tension-Type Headaches
December 2010, Vol. 18, No. 4 , Pages 354-360 (doi:10.3109/10582452.2010.502619)
César Fernández-de-las-Peñas, Department of Physical Medicine and Rehabilitation, Universidad Rey Juan Carlos, Avenida de Atenas s/n, Facultad de Ciencias de la Salud, Alcorcón, Madrid, Spain
Address correspondence to: César Fernández de las Peñas, PT, PhD, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Avenida de Atenas s/n, 28922 Alcorcón, Madrid, Spain, Phone: + 34 91 488 88 84, Fax: + 34 91 488 89 57. E-mail address: cesarfdlp@yahoo.es

ABSTRACT

Objective: To review current evidence for trigger point [TrP] involvement in tension-type headache [TTH].

Findings: It seems that mechanical pain sensitivity is a consequence and not a causative factor for TTH. Recent evidence modifying previous knowledge about relationships between muscle tissues and chronic tension-type headache, suggests a potential role of myofascial TrPs in the genesis of the pain. In fact, active TrPs reproducing the headache attacks are present in both episodic and chronic TTH in a similar percentage, supporting an etiological role of active TrPs in TTH. Further, spatial and temporal summation of TrP activity is present in TTH. An updated pain model suggests that headache perception can be explained by referred pain from TrPs in the craniocervical muscles, mediated through the spinal cord and the trigeminal nucleus caudalis rather than tenderness of the muscles themselves. Different therapeutic strategies, i.e., pharmacological, physical therapy, psychological, and acupuncture, are generally used for the management of TTH. All these therapeutic interventions are also targeted to inactivating TrP activity.

Conclusions: Although there is an increasing comprehension of the role of active TrPs in TTH, future studies investigating the effectiveness of inactivation of TrPs into the evolution of TTH are urgently needed.



Read More: http://informahealthcare.com/doi/abs/10.3109/10582452.2010.502619
 
 

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