. 2016 Jun 9;89(1064):20160041. doi: 10.1259/bjr.20160041

Table 3.

Comparisons of diffusion tensor imaging-derived parameters of the superior head of the lateral pterygoid muscle (SHLP) and the inferior head of the lateral pterygoid muscle (IHLP) during occlusal changes

Muscles	Parameters	Rest	Opening	ICP clench
SHLP	ADC	1.50 ± 0.05	1.64 ± 0.07^a	1.59 ± 0.06^b
	FA	0.42 ± 0.07	0.36 ± 0.05^a	0.39 ± 0.05^b
	λ₁	2.19 ± 0.15	2.27 ± 0.14^a	2.25 ± 0.16^b
	λ₂	1.41 ± 0.07	1.57 ± 0.08^a	1.50 ± 0.07^b
	λ₃	0.90 ± 0.13	1.07 ± 0.10^a	1.01 ± 0.10^b
IHLP	ADC	1.51 ± 0.06	1.63 ± 0.07^a	1.51 ± 0.05
	FA	0.40 ± 0.05	0.37 ± 0.05^a	0.41 ± 0.06
	λ₁	2.19 ± 0.14	2.27 ± 0.13^a	2.20 ± 0.14
	λ₂	1.40 ± 0.07	1.54 ± 0.10^a	1.40 ± 0.08
	λ₃	0.94 ± 0.08	1.05 ± 0.10^a	0.93 ± 0.09

λ₁–λ₃, three eigenvalues; ADC, apparent diffusion coefficient; FA, fractional anisotropy; ICP, intercuspal position.

^{^a}

p < 0.01 for the comparison between rest and opening.

^{^b}