Table 2.

Mobility functions and disuse-related variables.

	Controls	CLBP	P value
	(n = 15)	(n = 15)
Timed up and go (s)	9.2 (2.0)	12.0 (3.6)	.012
One-leg stance (s)	12.0 (8.8)	10.9 (8.3)	.740
Walking speed (m/s)	1.66 (0.17)	1.43 (0.16)	.001
Mobility score (0–12)	8.9 (1.5)	6.9 (2.2)	.009
PASL	17.5 (4.9)	12.4 (5.3)	.012∗
F/BMI (N·kg-1/m2)	9.3 [7.6–11.2]	8.8 [7.3–10.8]	.611

PASL: physical activity participation; F/BMI: relative knee extensor strength index. ^∗adjusted for BMI.