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 s1, %congruity= 19.3%,
%recovery=59.5%), and (B) a kinetic run-like stride cycle (body mass=15.5 g,
speed=0.28 m s1, %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.