Effect of post-isometric relaxation versus myofascial release therapy on pain, functional disability, rom and qol in the management of non-specific neck pain: a randomized controlled trial

Table 4 Within group change score and pairwise comparison of between group differences for cervical range of motion

Outcome measures	Baseline^a	2 weeks^a	Mean within group differences^b Baseline to 2 weeks	Mean between group differences^b Baseline to 2 weeks
Flexion (⁰)
PIR group	33.8 ± 5.7	44.6 ± 1.3	-10.8(p < 0.001)
				-0.6(p = 0.842)
MRF group	33.1 ± 5.7	44.6 ± 1.2	-11.5(p < 0.001)
Extension (⁰)
PIR group	34.8 ± 5.1	43.4 ± 1.6	-8.6(p < 0.001)
				1.4(p = 0.010)
MRF group	32.6 ± 6.7	42.0 ± 2.7	-9.4(p < 0.001)
Right Side Bending (⁰)
PIR group	28.8 ± 6.9	43.7 ± 2.1	-14.9(p < 0.001)
				0.9(p = 0.937)
MRF group	26.8 ± 7.3	42.7 ± 2.4	-15.9(p < 0.001)
Left Side Bending (⁰)
PIR group	29.2 ± 6.7	43.1 ± 2.4	-14.5(p < 0.001)
				-1.1(p = 0.982)
MRF group	28.5 ± 8.1	44.3 ± 1.7	-15.8(p < 0.001)
Right Rotation (⁰)
PIR group	63.0 ± 9.3	79.1 ± 2.2	-16.1(p < 0.001)
				1.4(p = 0.062)
MRF group	63.4 ± 9.3	77.6 ± 4.6	-14.2(p < 0.001)
Left Rotation (⁰)
PIR group	66.5 ± 8.8	79.2 ± 2.2	-12.7(p < 0.001)
				2.7(p = 0.012)
MRF group	64.9 ± 8.7	76.5 ± 5.9	-11.6(p < 0.001)

PIR Post isometric relaxation, MFR Myofascial release, CROM Cervical range of motion
(.⁰)Ranges in degree
^aValues of mean and standard deviation
^bValues of mean difference and p-value

ISSN: 1471-2474