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Figure 5


Fig. 5. The performance of the LiMb model compared to other predictors of locomotor cost. (A) r2 values (coefficients of determination) for the LiMb model (black bars), contact time (tc–1) (light grey bars), Froude number (U2L–1g–1) (dark grey bars) and hindlimb length (UL–1) (white bars), calculated via LSR with observed COL (ml O2 kg–1 s–1). r2 values are given above each bar. Numbers in parentheses indicate sample size (number of subjects). Interspecific comparison (`All') is calculated for dogs (N=4), goats (N=4) and a subset of humans (N=4), as shown in Fig. 4. (B) r2 values for the LiMb model (black bars) contact time (tc–1U–1) (light grey bars), hindlimb length (L–1) (dark grey bars) and body mass (white bars), calculated via LSR with observed COT (ml O2 kg–1 m–1).





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