Does Deep Cervical Flexor Muscle Training Affect Pain Pressure Thresholds of Myofascial Trigger Points in Patients with Chronic Neck Pain? A Prospective Randomized Controlled Trial

Table 2

Mean change scores and significance level results.

Measurement	Deep neck flexor group (Α)	Superficial muscle group; (Β)	Advice group (C)	Group effect ()
				A	B	C
NPRS, pain now	3.47	1.63	0.99
NPRS, pain at best	1.69	0.67	0.18
NPRS, pain at worst	2.57	1.98	1.98
Neck Disability Index	11.60	4.12	2.26
CCFT	−6.66	−1.61	−0.92		NS	NS
Cervicothoracic angle	1.29°	−5.79°	−1.00°	NS	NS	NS
SF-12, MCS	1.03	−5.63	−1.84	NS	NS	NS
SF-12, PCS	−7.94	−3.75	−3.45	NS	NS	NS

NPRS: numeric pain rating scale, CCFT: craniocervical flexion test, statistically significant difference (), extremely statistical difference (), and nonsignificance effect.