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Table 2.

Regression equations describing the relationships between the gait characteristics and running speed of lizards running on the moving belt

Stride lengthStride frequencyStep lengthFloating distance
Speciesabababab
Gallotia galloti 0.40 -1.01 0.60 1.01 0.26 -1.34 0.009 0.001 
Lacerta oxycephala 0.35 -1.09 0.65 1.09 0.27 -1.38 0.006 -0.001 
Lacerta bedriagae 0.42 -0.94 0.58 0.94 0.33 -1.19 0.003 -0.006 
Podaras sicula 0.48 -0.95 0.52 0.95 0.36 -1.24 0.009 0.0001 
Podaras muralis 0.46 -1.11 0.54 1.11 0.43 -1.34 -0.003 -0.006 
Podaras hispanica 0.33 -1.15 0.67 1.15 0.29 -1.41 0.00001 -0.004 
Podaras atrata 0.25 -1.17 0.75 1.17 0.25 -1.40 -0.001 -0.005 
Podaras tiliguerta 0.53 -0.98 0.47 0.98 0.41 -1.23 0.005 -0.006 
Lacerta bilineata 0.38 -0.96 0.62 0.96 0.24 -1.26 0.010 -0.001 
Takydromus sexlineatus 0.31 -1.11 0.69 1.11 0.18 -1.33 0.004 -0.007 
Latastia longicaudata 0.53 -0.97 0.47 0.97 0.37 -1.26 0.015 -0.001 
Stride lengthStride frequencyStep lengthFloating distance
Speciesabababab
Gallotia galloti 0.40 -1.01 0.60 1.01 0.26 -1.34 0.009 0.001 
Lacerta oxycephala 0.35 -1.09 0.65 1.09 0.27 -1.38 0.006 -0.001 
Lacerta bedriagae 0.42 -0.94 0.58 0.94 0.33 -1.19 0.003 -0.006 
Podaras sicula 0.48 -0.95 0.52 0.95 0.36 -1.24 0.009 0.0001 
Podaras muralis 0.46 -1.11 0.54 1.11 0.43 -1.34 -0.003 -0.006 
Podaras hispanica 0.33 -1.15 0.67 1.15 0.29 -1.41 0.00001 -0.004 
Podaras atrata 0.25 -1.17 0.75 1.17 0.25 -1.40 -0.001 -0.005 
Podaras tiliguerta 0.53 -0.98 0.47 0.98 0.41 -1.23 0.005 -0.006 
Lacerta bilineata 0.38 -0.96 0.62 0.96 0.24 -1.26 0.010 -0.001 
Takydromus sexlineatus 0.31 -1.11 0.69 1.11 0.18 -1.33 0.004 -0.007 
Latastia longicaudata 0.53 -0.97 0.47 0.97 0.37 -1.26 0.015 -0.001 

We pooled all sequences per species.

All regressions were significant, except the regressions of floating distance against running speed in some species (given in italic type).

Equations are of the form logy=alogx+b,where x is running speed and y is the gait characteristic. On the basis of these regression equations, we estimated stride length, stride frequency, step length and floating distance at maximal sprint speed.

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