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Table 1 Generalized gait dynamics descriptors for a rat model of lumbar radiculopathy

From: Kinematic and dynamic gait compensations in a rat model of lumbar radiculopathy and the effects of tumor necrosis factor-alpha antagonism

Body weight Pre-operative Sham NP Alone NP + sTNFRII
Mass (g) 285 ± 4 348 ± 6* 325 ± 9* 340 ± 11*
Affected limb Pre-operative Sham NP Alone NP + sTNFRII
Max Fz (mN) 2,156 ± 65 2,069 ± 79 1,877 ± 88 2,016 ± 85
Iz (mN-s) 416.6 ± 25.5 463.2 ± 31.0 325.4 ± 34.5,# 417.9 ± 33.5
Max F-x (mN) -56 ± 15 -170 ± 18* -111 ± 20 -142 ± 20*
I-x (mN-s) -3.5 ± 1.6 -15.3 ± 2.0* -6.7 ± 2.2 -10.3 ± 2.1
t-x (% stance time) 20.7 ± 2.8 30.4 ± 3.4 21.2 ± 3.8 27.7 ± 3.7
Max Fx (mN) 177 ± 18 204 ± 22 240 ± 25* 256 ± 24*
Ix (mN-s) 24.0 ± 3.2 28.6 ± 3.9 34.0 ± 4.3 32.9 ± 4.2
Max Fy,0-100% (mN) 280 ± 19 301 ± 23 301 ± 25 286 ± 25
Max Fy,50-100% (mN) 182 ± 12 203 ± 15 185 ± 16 176 ± 16
Iy (mN-sec) 38.9 ± 2.2 46.2 ± 4.3 38.0 ± 4.2 40.4 ± 2.8
Contralateral limb Pre-operative Sham NP Alone NP + sTNFRII
Max Fz (mN) 2,154 ± 74 2,079 ± 83 1,984 ± 97 1,914 ± 81
Iz (mN-s) 439.5 ± 29.0 475.6 ± 32.6 488.3 ± 38.0 440.3 ± 31.8
Max F-x (mN) -79 ± 17 -160 ± 19* -124 ± 22 -116 ± 19
I-x (mN-s) -5.7 ± 1.9 -13.3 ± 2.1* -11.6 ± 2.4 -6.7 ± 2.0
t-x (% stance time) 23.4 ± 3.2 30.4 ± 3.6 22.7 ± 4.2 18.1 ± 3.5
Max Fx (mN) 169 ± 21 263 ± 23* 274 ± 27* 304 ± 23*
Ix (mN-s) 23.0 ± 3.6 33.2 ± 4.1 40.2 ± 4.7* 42.4 ± 3.9*
Max Fy,0-100% (mN) 285 ± 21 304 ± 24 276 ± 28 231 ± 23
Max Fy,50-100% (mN) 167 ± 14 210 ± 16 182 ± 18 184 ± 15
Iy (mN-sec) 40.5 ± 2.6 45.2 ± 4.3 49.1 ± 5.7 36.2 ± 3.6
  1. , P <0.05 vs. contralateral control limb
  2. *, P <0.05 vs. pre-operative control
  3. #, P <0.05 vs. sham control
  4. Data presented as mean ± standard error