Table 1.

Descriptive statistics (mean ± standard deviation) of the main outcomes found in both groups at pre and post-intervention moments.

	Experimental Group (n = 30)	Control Group (n = 30)	Difference between groups	Effect size (r)
SLR – Left (°)
Pre	40.0 ± 10.0	40.5 ± 10.3	U = 429.0; Z = −0.323; p = 0.746	−0.042
Post	46.8 ± 6.9b	41.2 ± 9.8	U = 279.0; Z = −2.863; p = 0.004a	−0.370
SLR – Right (°)
Pre	41.0 ± 8.7	40.8 ± 8.9	U = 449.5; Z = −0.008; p = 0.994	−0.001
Post	47.2 ± 6.5#	42.0 ± 9.0	U = 283.5; Z = −2.855; p = 0.004a	−0.369
Modified Bragard test – Left (°)
Pre	39.3 ± 9.7	40.0 ± 10.9	U = 419.5; Z = −0.473; p = 0.636	−0.061
Post	45.7 ± 8.1#	40.7 ± 10.2	U = 315.0; Z = −2.263; p = 0.024a	−0.292
Modified Bragard test – Right (°)
Pre	40.2 ± 9.4	39.7 ± 9.1	U = 439.5; Z = −0.162; p = 0.871	−0.021
Post	47.2 ± 6.7#	41.0 ± 9.4	U = 275.5; Z = −2.997; p = 0.003a	−0.387
Kernig's Test – Left (°)
Pre	40.2 ± 9.1	41.0 ± 9.3	U = 420.5; Z = −0.456; p = 0.648	−0.059
Post	46.8 ± 6.6#	42.7 ± 8.3#	U = 303.5; Z = −2.483; p = 0.013a	−0.321
Kernig's Test – Right (°)
Pre	41.5 ± 8.2	40.7 ± 8.2	U = 427.0; Z = −0.356; p = 0.722	−0.046
Post	47.0 ± 6.5b	43.0 ± 7.6b	U = 298.0; Z = −2.574; p = 0.010a	−0.332
SLR – Left (VAS, score)
Pre	1.9 ± 2.8	2.7 ± 2.8	U = 384.0; Z = −1.010; p = 0.313	−0.130
Post	0.4 ± 0.8b	1.7 ± 1.9b	U = 252.5; Z = −3.305; p < 0.001a	−0.427
SLR – Right (VAS, score)
Pre	2.2 ± 2.4	2.8 ± 2.2	U = 374.0; Z = −1.158; p = 0.247	−0.149
Post	0.3 ± 0.7b	1.8 ± 1.6b	U = 223.5; Z = −3.838; p < 0.001a	−0.495
Modified Bragard test – Left (VAS, score)
Pre	1.9 ± 1.9	2.6 ± 2.7	U = 391.5; Z = −0.895; p = 0.371	−0.116
Post	0.3 ± 0.6#	1.7 ± 1.9b	U = 238.5; Z = −3.544; p < 0.001*	−0.458
Modified Bragard test – Right (VAS, score)
Pre	2.0 ± 2.2	2.6 ± 2.2	U = 381.5; Z = −1.044; p = 0.297	−0.135
Post	0.2 ± 0.6b	1.6 ± 1.6b	U = 227.5; Z = −3.771; p < 0.001*	−0.487
Kernig's Test – Left (VAS, score)
Pre	1.9 ± 1.9	2.8 ± 2.7	U = 378.0; Z = −1.101; p = 0.271	−0.142
Post	0.3 ± 0.8b	1.9 ± 2.1#	U = 246.0; Z = −3.413; p < 0.001*	−0.441
Kernig's Test – Right (VAS, score)
Pre	2.2 ± 2.4	2.8 ± 2.4	U = 380.0; Z = −1.066; p = 0.287	−0.138
Post	0.3 ± 0.9b	1.8 ± 1.8#	U = 233.0; Z = −3.680; p < 0.001*	−0.475

VAS: Visual analogue scale; SLR: straight leg raise test.

^asignificant differences between groups at p < 0.05.

^bsignificant differences within-group (post-pre) at p < 0.05.