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Figure 4


Fig. 4. Energetics of two separate stride cycles, left hind footfall to left hind footfall, of M. tuberculata performing (A) a kinetic walk-like stride cycle (body mass=14.0 g, speed=0.27 m s–1, %congruity= 19.3%, %recovery=59.5%), and (B) a kinetic run-like stride cycle (body mass=15.5 g, speed=0.28 m s–1, %congruity=60.0%, %recovery=24.0%). Though speed is similar in these two trials, the energetics of the former feature greater pendulum-like changes in EK and EP than the latter. Despite such variability in COM energetics from trial to trial, M. tuberculata did not transition from a kinetic walk to a kinetic run with increasing speed.





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