Comparison of peak vertical force and vertical impulse in the inside and outside hind limbs in horses circling on a soft surface, at trot and canter

Figures & data

Table 1. Means (SD) and estimate of stance and vertical loading parameters in 3 horses at trot and canter, on right and left circles, on a soft surface.

	Trot					Canter
	Right circle (inside hind limb)		Left circle (outside hind limb)		P	Right circle (inside hind limb)		Left circle (outside hind limb)		P
	Mean (SD)	Estimate	Mean (SD)	Estimate		Mean (SD)	Estimate	Mean (SD)	Estimate
Stance duration (s)	0.316 (0.013)	0.319	0.284 (0.015)	0.284	<.0001	0.276 (0.016)	0.278	0.244 (0.013)	0.244	<.0001
Stance/stride duration (%)	43.6 (1.7)	43.7	38.8 (1.2)	38.8	<.0001	46.2 (2.1)	46.4	40.6 (1.7)	40.6	<.0001
Peak vertical force (N/kg)	9.16 (0.71)	9.13	9.70 (1.16)	9.71	0.0003	9.44 (0.90)	9.26	11.26 (1.29)	11.33	<.0001
Vertical impulse (N.s/kg)	1.79 (0.15)	1.80	1.70 (0.25)	1.70	0.001	1.68 (0.15)	1.66	1.69 (0.16)	1.69	0.098

Figure 1. Average vertical forces in the leading (right circle, grey) and trailing (left circle, black) hind limbs of 3 horses at trot (dotted line) and canter (solid line).