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. Author manuscript; available in PMC: 2007 Nov 27.
Published in final edited form as: Am J Vet Res. 2006 Feb;67(2):236–241. doi: 10.2460/ajvr.67.2.236

Table 1.

Mean ± SEM values for GRFs measured in 16-week-old puppies with moderate to severe CFJ laxity and that were trotted at a velocity of 1.99 ± 0.05 m/s.

Variable Limb Left Right P δ (%) SI
Stance time (ms) F 217 ± 4.4 215 ± 3.6 0.72 5.18 1.00
H 194 ± 5.1 199 ± 4.0 0.46 6.50 0.97
PFx (% bw) F 0.894 ± 0.265 1.12 ± 0.29 0.56 76.7 0.17
H 1.62 ± 0.27 1.65 ± 0.30 0.94 48.1 1.29
IMPx (% bw·s) F 0.085 ± 0.028 0.091 ± 0.030 0.89 92.3 0.10
H 0.141 ± 0.200 0.147 ± 0.031 0.89 225 0.77
PFyB (% bw) F −20.4 ± 1.2 −19.8 ± 1.2 0.72 16.5 1.46
H −7.06 ± 0.72 −7.91 ± 0.84 0.45 29.3 1.69
IMPyB (% bw·s) F −1.9 ± 0.3 −1.5 ± 0.2 0.21 38.3 1.23
H −0.704 ± 0.500 −0.694 ± 0.449 0.98 190 1.74
PFyP (% bw) F 16.4 ± 11.0 5.72 ± 0.48 0.35 145 2.77
H 11.3 ± 0.82 38.7 ± 28.2 0.32 162 1.36
IMPyP (% bw·s) F 0.281 ± 0.031 0.269 ± 0.032 0.82 32.1 1.04
H 0.972 ± 0.071 0.944 ± 0.082 0.79 22.4 1.34
%B (% stance time) F 83.6 ± 2.4 82.6 ± 2.7 0.81 8.56 1.03
H 23.8 ± 4.0 24.2 ± 3.5 0.93 43.9 1.81
%P (% stance time) F 16.5 ± 2.4 17.4 ± 2.7 0.8 42.0 1.29
H 76.3 ± 4.0 75.8 ± 3.5 0.93 13.9 1.31
B:P F 10.8 ± 1.9 9.71 ± 1.84 0.69 51.1 2.17
H 0.756 ± 0.321 0.858 ± 0.316 0.82 111 1.91
PFz (% bw) F 111 ± 2.7 112 ± 2.3 0.57 6.32 1.01
H 79.8 ± 2.0 80.3 ± 1.9 0.85 6.90 1.02
IMPz (% bw·s) F 14.2 ± 0.31 14.4 ± 0.33 0.69 6.21 0.99
H 13.4 ± 4.6 8.98 ± 0.24 0.34 60.6 1.56
LI (% stance time) F 53 ± 0.86 53.1 ± 0.55 0.91 3.72 1.00
H 38.9 ± 0.78 37.7 ± 0.73 0.26 5.52 1.38
ML (% bw/s) F 1.43 ± 0.06 1.44 ± 0.05 0.95 10.7 1.05
H 1.58 ± 0.06 1.61 ± 0.03 0.79 6.85 1.05
Lmax (% bw/s) F 3.05 ± 0.12 3.00 ± 0.12 0.75 10.8 1.05
H 2.5 ± 0.12 2.5 ± 0.14 0.97 14.5 1.08
MU (% bw/s) F −1.54 ± 0.06 −1.63 ± 0.06 0.3 10.1 1.00
H −0.995 ± 0.035 −0.971 ± 0.032 0.62 9.58 1.08
Umax (% bw/s) F −2.1 ± −0.11 −2.05 ± 0.11 0.81 0.324 1.04
H −1.7 ± −0.06 −1.63 ± 0.06 0.37 0.202 1.10
Distribution (% bw) F 29.6 ± 0.79 29.1 ± 0.38 0.63 5.58 1.01
H 21.4 ± 0.56 20.9 ± 0.35 0.39 6.03 1.02
δ

= Differences between populations necessary for significance at power = 0.8. PF = Peak force. bw = Body weight. IMP = Impulse area. B = Breaking. P = Propulsion. x, y, and z = Planes of evaluated ground reaction forces. LI = Loading interval. ML = Mean loading rate. Lmax = Maximum loading rate. MU = Mean unloading rate. Umax = Maximum unloading rate. F = Forelimb. H = Hind limb.