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Original ArticleOpen Access
Surface Electromyography hi Patients with Tension -Type Headache and Normal Healthy Subjects
Harnphadungkit K 
,
Senanarong V ,
Poungvarin N
,
Senanarong V ,
Poungvarin N Headache is one of the most common medical symptoms and tension -type
~eadache
is
the most common form. Pericranial muscles have been invoked as a source of nociception among
patients with tension -type headache. This study was performed to determine surface electromyo-
graphy (EMG) as representative of the electrical activity of pericranial muscles in tension -type
headache and normal subjects during rest and mental calculation. Surface EMG recordings were
performed in 20 normal subjects (age 33.9
เธ‘
8.9 years) and 20 tension -type headache patients
(34.5
เธ‘
9.4 years) using electroencephalograph during the initial rest period for 5 minutes, during
mental calculation for 2 minutes and 3 minutes of the rest period. Surface EMG was scored as
discharge score (DS) at the third, sixth and ninth minute. The DS at each minute studied showed
that the headache group had higher electrical activity than the normal group and increased EMG
activity during mental stress was found in the headache group.
Key word
: Electromyography, Tension Headache, Healthy Subject
~eadache
is
the most common form. Pericranial muscles have been invoked as a source of nociception among
patients with tension -type headache. This study was performed to determine surface electromyo-
graphy (EMG) as representative of the electrical activity of pericranial muscles in tension -type
headache and normal subjects during rest and mental calculation. Surface EMG recordings were
performed in 20 normal subjects (age 33.9
เธ‘
8.9 years) and 20 tension -type headache patients
(34.5
เธ‘
9.4 years) using electroencephalograph during the initial rest period for 5 minutes, during
mental calculation for 2 minutes and 3 minutes of the rest period. Surface EMG was scored as
discharge score (DS) at the third, sixth and ninth minute. The DS at each minute studied showed
that the headache group had higher electrical activity than the normal group and increased EMG
activity during mental stress was found in the headache group.
Key word
: Electromyography, Tension Headache, Healthy Subject
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