The effects of the spray stretch and sustained pressure techniques for managing trigger points in the upper part of the trapezius muscle

Figures & Tables

Characteristic	Group A (n = 27) Mean (SD)	Group B (n = 27) Mean (SD)	p
Age (years)	27 (3)	26 (3)	0.48
Sex
Male n (%)	17 (62)	15 (55)
Female n (%)	10 (37)	12 (44)
Height (cm)	165 (3)	166 (3)	0.78
Weight (kg)	64 (7)	63 (7)	0.79
BMI (kg/m²)	23 (2)	23 (2)	0.73
Neck pain duration (weeks)	2 (1)	2 (0)	0.08

Outcome	Mean (SD) between group

	Pre-test			Post-test

	Group A (n = 27)	Group B (n = 27)	p-value^a	Group A (n = 27)	Group B (n = 27)	p-value^a
Pain Pressure Threshold (kg/cm²)	0.98 (0)	1.00 (0.0)	0.16	1.64 (0.1)	2.29 (0.14)	0.000
Neck Disability Index (0–50)	13.0 (5.4)	15.3 (5.6)	0.12	3.29 (2.3)	8.03 (4.3)	0.000

Cervical ROM (degrees)

Flexion	48.5 (5.0)	49.2 (5.1)	0.59	60.0 (4.8)	55.5 (5.6)	0.003
Extension	44.1 (4.9)	46.5 (8.7)	0.22	58.2 (5.2)	53.8 (7.2)	0.01
Rt Rotation	49.5 (5.6)	50.3 (4.2)	0.58	60.7 (4.9)	56.4 (4.5)	0.002
Lt Rotation	48.9 (5.1)	49.1 (4.7)	0.91	60.3 (5.5)	55.6 (4.8)	0.002
Rt Side Bending	45.1 (4.7)	44.2 (6.3)	0.65	54.3 (5.8)	50.9 (4.3)	0.01
Lt Side Bending	40.9 (7.0)	41.4 (6.3)	0.80	53.3 (5.4)	50.0 (5.2)	0.02

Outcome	Mean (SD) within groups

	Group A (n = 27)			Group B (n = 27)

	Pre-test	Post-test	p-value^a	Pre-test	Post-test	p-value^a
Pain Pressure Threshold (kg/cm²)	0.98 (0)	1.64 (0.1)	0.000	1.00 (0.0)	2.29 (0.14)	0.000
Neck Disability Index (0–50)	13.0 (5.4)	3.29 (2.3)	0.000	15.3 (5.6)	8.03 (4.3)	0.000

Cervical ROM (deg)

Flexion	48.5 (5.0)	60.0 (4.8)	0.000	49.2 (5.1)	55.5 (5.6)	0.000
Extension	44.1 (4.9)	58.2 (5.2)	0.000	46.5 (8.7)	53.8 (7.2)	0.000
Rt Rotation	49.5 (5.6)	60.7 (4.9)	0.000	50.3 (4.2)	56.4 (4.5)	0.000
Lt Rotation	48.9 (5.1)	60.3 (5.5)	0.000	49.1 (4.7)	55.6 (4.8)	0.000
Rt Side Bending	45.1 (4.7)	54.3 (5.8)	0.000	44.2 (6.3)	50.9 (4.3)	0.000
Lt Side Bending	40.9 (7.0)	53.3 (5.4)	0.000	41.4 (6.3)	50.0 (5.2)	0.000