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Table 2.

Contact times and ground reaction forces

Lead foreTrail foreLead hindTrail hind
Contact time (ms) 74.5±4.6* 70.8±5.0* 71.5±3.2 74.3±4.0 
Forces (BW)     
   Mean vertical 1.25±0.07 1.31±0.08 0.99±0.07* 0.94±0.07* 
   Peak vertical 2.12±0.10 2.23±0.13 1.64±0.11* 1.47±0.09* 
   Peak accelerating 0.44±0.04 0.49±0.04 0.46±0.07 0.38±0.05 
   Peak decelerating -1.02±0.10 -1.00±0.11 -0.62±0.05 -0.57±0.03 
   Peak lateral 0.22±0.04 0.20±0.04 0.12±0.03 0.16±0.03 
   Peak medial -0.11±0.03 -0.11±0.04 -0.12±0.03 -0.11±0.04 
Impulses (BW ms)     
   Vertical 91.7±3.0 91.8±4.0 70.0±4.2 68.6±3.8 
   Accelerating 10.8±0.90 12.3±0.75 13.0±2.22* 10.7±1.85* 
   Decelerating -11.0±0.43* -9.80±0.79* -5.41±0.70 -5.43±0.78 
   Lateral 3.81±0.80 3.88±1.17 1.87±0.83 4.36±1.23 
   Medial -1.2±0.44 -1.77±0.90 -1.37±1.24 -2.18±1.49 
Lead foreTrail foreLead hindTrail hind
Contact time (ms) 74.5±4.6* 70.8±5.0* 71.5±3.2 74.3±4.0 
Forces (BW)     
   Mean vertical 1.25±0.07 1.31±0.08 0.99±0.07* 0.94±0.07* 
   Peak vertical 2.12±0.10 2.23±0.13 1.64±0.11* 1.47±0.09* 
   Peak accelerating 0.44±0.04 0.49±0.04 0.46±0.07 0.38±0.05 
   Peak decelerating -1.02±0.10 -1.00±0.11 -0.62±0.05 -0.57±0.03 
   Peak lateral 0.22±0.04 0.20±0.04 0.12±0.03 0.16±0.03 
   Peak medial -0.11±0.03 -0.11±0.04 -0.12±0.03 -0.11±0.04 
Impulses (BW ms)     
   Vertical 91.7±3.0 91.8±4.0 70.0±4.2 68.6±3.8 
   Accelerating 10.8±0.90 12.3±0.75 13.0±2.22* 10.7±1.85* 
   Decelerating -11.0±0.43* -9.80±0.79* -5.41±0.70 -5.43±0.78 
   Lateral 3.81±0.80 3.88±1.17 1.87±0.83 4.36±1.23 
   Medial -1.2±0.44 -1.77±0.90 -1.37±1.24 -2.18±1.49 

Significant difference between leading and trailing limbs with *P<0.05, P<0.01. indicates a significant difference between total forelimb and total hindlimb impulses (P<0.01). BW, body weights

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