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Table 1 Number of children with chronic tension type headache and healthy children (n) with muscle trigger points (trps) located in head and neck-shoulder musculature

From: Referred pain from myofascial trigger points in head and neck–shoulder muscles reproduces head pain features in children with chronic tension type headache

  Children with chronic tension type headache (CTTH)
Upper trapezius muscle Sternocleidomastoid muscle Temporalis
Dominant side Non dominant side Dominant side Non dominant side Dominant side Non dominant side
Active TrPs (n) 10 10 13 6 38 16
No TrPs (n) 40 40 37 44 12 34
  Superficial masseter muscle Superior oblique muscle Levator scapulae muscle
Dominant side Non dominant side Dominant side Non dominant side Dominant side Non dominant side
Active TrPs (n) 8 5 14 15 6 4
No TrPs (n) 42 45 36 35 44 46
  Healthy control children
Upper trapezius muscle Sternocleidomastoid muscle Temporalis
Dominant side Non dominant side Dominant side Non dominant side Dominant side Non dominant side
Latent TrPs (n) 0 0 1 0 3 0
No TrPs (n) 50 50 49 50 47 50
  Superficial masseter muscle Superior oblique muscle Levator scapulae muscle
Dominant side Non dominant side Dominant side Non dominant side Dominant side Non dominant side
Latent TrPs (n) 1 0 4 4 0 2
No TrPs (n) 49 50 46 46 50 48