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Table 1 Peak vertical forces and vertical impulses. Values are presented as mean ± SD % total force (%TF) and the symmetry index (SI) during each of the four measurement conditions

From: Compensatory load redistribution in Labrador retrievers when carrying different weights – a non-randomized prospective trial

  LF (%TF) RF (%TF) SI (%) LH (%TF) RH (%TF) SI (%)
Peak vertical force
W1 32.1 ± 1.4* 32.1 ± 1.4* 2.0 ± 1.5 17.8 ± 1.5* 17.9 ± 1.2* 3.1 ± 2.1
W2 33.0 ± 1.6* 33.2 ± 1.5* 1.8 ± 1.8 16.8 ± 1.6* 17.0 ± 1.5* 3.5 ± 1.9
W3 34.7 ± 1.8* 35.0 ± 1.7* 2.1 ± 1.5 15.0 ± 1.7* 15.2 ± 1.8* 3.3 ± 2.5
W4 37.3 ± 1.6* 37.7 ± 1.3* 1.8 ± 1.5 12.4 ± 1.5* 12.6 ± 1.5* 5.1 ± 3.1
Vertical impulse
W1 32.5 ± 1.4* 32.1 ± 0.9* 3.4 ± 3.0 17.8 ± 1.1* 17.7 ± 0.8* 2.5 ± 2.2
W2 33.4 ± 1.2+ 33.7 ± 0.9* 3.4 ± 2.3 16.3 ± 1.0* 16.6 ± 0.8* 3.4 ± 2.5
W3 35.4 ± 1.3* 35.6 ± 0.9* 2.6 ± 2.0 14.5 ± 1.1* 14.5 ± 0.8* 2.8 ± 2.2
W4 38.2 ± 1.7* 38.2 ± 1.3* 4.5 ± 3.2 11.7 ± 1.1* 11.9 ± 1.1* 3.3 ± 2.9
  1. W1 = unimpeded walking without a weight; W2 = carrying a standard 0.5 kg dummy; W3 = carrying a 2.0 kg dummy; W4 = carrying a 4.0 kg dummy
  2. LF left forelimb, RF right forelimb, LH left hindlimb, RH right hindlimb
  3. *P ≤ 0.02 vs other conditions; + P = 0.02 vs W1