Table 5.

Point prevalence (Expressed as percentage) of active MTrPs in subjects with shoulder or neck disorders

	Alonso-Blanco et al., 2011		Bron et al., 2011	Fernandez-Perez et al., 2012	Fernández-De-Las-Peñas, 2012		Hidalgo-Lozano et al., 2010	Sari, 2012	Tali et al., 2014	Hidalgo-Lozano et al., 2010
Sample	Adults (N = 20)	Children (N = 20)			White collar (N = 19)	Blue collar (N = 16)
Information regarding right or left side			Do not specify left and right				Do not specify left and right	Do not specify left and right		Do not specify left and right
Muscles
Left Temporalis	55	70		20	5.3	6.3
Right Temporalis	65	75		10	5.3	6.3
Right SCM	30	25		5	21.1	6.3			5
Left SCM	40	10		30	21.1	18.8			10
Left Upper Trapezius	35	20		30	63.2	56.3		13.5	25
Right Upper Trapezius	80	15		35	63.2	68.8			45
Suboccipital muscles	100 (bilateral)	80 (bilateral)			OCI- left = 31.6. right = 31.6 SC- left = 15.8. right = 21.1	OCI- left = 12.5. right = 25 SC- left = 31.3. right = 37.5
Middle Trapezius			43.1
Lower Trapezius			37.5
Left Infraspinatus			77.8		31.6	37.5	41.7			41.7
Right Infraspinatus					21.1	43.8
Supraspinatus			34.7				66.7			66.7
Subscapularis			40.3				41.7			41.7
Teres minor			47.2
Teres major			36.1
Left Deltoid			Posterior- 44.4 Middle- 50 Anterior- 47.2		5.3	18.8
Right Deltoid					10.5	12.5
Left Pectoralis major			26.4		5.3	18.8	16.7			16.7
Right Pectoralis major					18.8	18.8
Pectoralis minor			30.6
Biceps Brachii			20.8				16.7			16.7
Triceps Brachii			19.4
Left Scalene			16.7	20	21.1	12.5
Right Scalene				30	15.8	2.3
Subclavius			25
Left Masseter				10	15.8	0
Right Masseter				0	5.3	0
Left Levator scapulae				55	31.6	25	41.7	16.3		41.7
Right Levator scapulae				65	36.8	12.5
Splenius capitis								14.7
Rhomboid minor								14.3
Rhomboid major								10.2
Multifidus								8.6

Abbreviations: CTTH – Chronic tension type headache SP – Shoulder pain, WAD – Whiplash associated disorder, NPRS – Numerical pain rating scale, OCI – Oblique capitis inferior, SC – Splenius capitis, SCM -Sternocleidomastoid