Table 4 Referred pain areas (au) of active trigger points (TrPs) in head and neck–shoulder muscles in women with myofascial temporomandibular disorder or with fibromyalgia

Temporalis

 Right side (n = 12)

20.8 ± 10.8 (14.6–27.2)

Right side (n = 5)

19.1 ± 8.5 (12.4–25.7)

 Left side (n = 16)

21.2 ± 11.2 (14.5–27.9)

Left side (n = 1)

19.3 ± 9.9 (12.8–25.8)

Masseter

 Right side (n = 12)

14.5 ± 6.3 (8.1–21.3)

Right side (n = 14)

16.5 ± 11.3 (9.8–23.1)

 Left side (n = 16)

15.4 ± 5.4 (9.0–22.3)

Left side (n = 10)

14.6 ± 6.4 (8.1–21.0)

Upper trapezius

 Right side (n = 12)

36.1 ± 18.2 (29.4–42.7)

Right side (n = 18)

31.5 ± 19.0 (25.1–38.0)

 Left side (n = 16)

35.3 ± 16.1 (28.8–41.7)

Left side (n = 11)

30.8 ± 21.6 (24.3–37.2)

Sternocleidomastoid*

 Right side (n = 8)

7.1 ± 3.8 (5.9–13.3)

Right side (n = 3)

24.8 ± 13.9 (18.1–31.4)

 Left side (n = 11)

4.3 ± 3.2 (2.8–9.9)

Left side (n = 5)

25.7 ± 14.6 (18.9–32.5)

Suboccipital*

 Bilateral (n = 14)

7.6 ± 3.4 (5.8–11.1)

Bilateral (n = 13)

49.6 ± 29.1 (38.6–60.6)