Table 2.

One-way ANCOVA tables, separate slopes model testing the effect of oscillation amplitude on leg energies (μJ) and resilience, with oscillation frequency as the covariate for either a fixed- or free-coxa leg

Fixed coxa Free coxa
VariableSourced.f.FPd.f.FP
Loading energyAmplitude421 915.5<0.0001420 250.1<0.0001
Frequency1145.9<0.00011383.1<0.0001
Amplitude × frequency420.4<0.0001467.7<0.0001
Error5050
Unloading energyAmplitude417 437.5<0.000143770.5<0.0001
Frequency1341.0<0.0001158.8<0.0001
Amplitude × frequency467.6<0.000148.8<0.0001
Error5050
Energy lostAmplitude41555.8<0.000141523.7<0.0001
Frequency115.1<0.0001139.0<0.0001
Amplitude × frequency49.1<0.000148.9<0.0001
Error5050
ResilienceAmplitude415.2<0.000143.5<0.0001
Frequency180.9<0.000110.4<0.0001
Amplitude × frequency41.30.299340.60.6847
Error5050
  • Frequency values were log10-transformed prior to statistical analysis.