Table 3.

Statistical parameters derived from linear mixed‐effects models demonstrating the statistical importance of various fixed effects. Values in bold illustrate fixed effects that significantly influence each respective response variable

Response variable	Fixed effect	Estimate	Standard error	t value	F value	p‐value
Change in relative moment arm length	(Intercept)	1.24	0.29	—	—	—
	Joint system	0.32	0.03	9.39	88.12	<0.001
	Diet	0.00	0.00	0.07	0.01	0.944
	Locomotor mode	0.02	0.02	1.15	1.31	0.267
	Body mass	0.00	0.05	−0.05	0.00	0.965
Maximum relative mechanical advantage	(Intercept)	1.91	0.18	—	—	—
	Joint system	−0.55	0.04	−15.45	238.66	< 0.001
	Diet	0.00	0.00	−0.80	0.63	0.428
	Locomotor mode	0.00	0.01	−0.24	0.06	0.814
	Body mass	−0.07	0.03	−2.44	5.98	0.016
Change in muscle force vector orientation	(Intercept)	1.64	0.14	—	—	—
	Joint system	0.63	0.03	21.73	472.27	<0.001
	Diet	0.00	0.00	−1.33	1.78	0.200
	Locomotor mode	0.03	0.01	3.10	9.62	0.006
	Body mass	−0.02	0.02	−0.84	0.71	0.412