Table 3 Correlation coefficients between lumbar and lower extremity joint

Lower limb joint angle (deg)

Hip angle

0.219(0.398)

-0.334(0.190)

0.822(0.000)*

0.044(0.864)

Knee angle

0.653(0.005)*

0.018(0.947)

0.375(0.126)

0.525(0.025)

Ankle angle

0.148(0.571)

-0.295(0.250)

-0.750(0.000)*

-0.280(0.261)

Lower limb joint moment (Nm/kg)

Hip moment

0.381(0.131)

0.975(0.000)*

0.287(0.248)

0.875(0.000)*

Knee moment

0.352(0.166)

-0.621(0.008)*

0.672(0.002)*

-0.116(0.646)

Ankle moment

-0.354(0.163)

0.668(0.003)*

-0.802(0.000)*

-0.199(0.428)