Table 4.

Participant’s responses to passive cervicothoracic mobilization (in flexion and extension) applied during the structural differentiation for the straight leg raise (SLR) and knee extension angle (KEA) tests.

	SLR		KEA
	Structural differentiation using cervicothoracic spine passive mobilization (n = 178)
	Flexion	Extension	Flexion	Extension
Increased discomfort (%)	51.7 (n = 92)	24.2 (n = 43)	48.3 (n = 86)	17.4 (n = 31)
Decreased discomfort (%)	28.0 (n = 50)	43.8 (n = 78)	23.6 (n = 42)	50.6 (n = 90)
Unchanged discomfort (%)	20.2 (n = 36)	32.0 (n = 57)	28.1 (n = 50)	32.0 (n = 57)
Coherent responses (%)	38.8 (n = 69)		46.1 (n = 82) 53.9 (n = 96)
Unclear responses (%)	61.2 (n = 109)