Possibility for Visualizing the Muscle Microstructure by q-Space Imaging Technique

Table 4

Summary of the correlation between muscle parameters and magnetic resonance imaging parameters of the gastrocnemius muscle.

	SMI	Pennation angle	CSA	Radial diffusivity	Radial FWHM
SMI	1.00
Pennation angle	0.62	1.00
CSA	0.89	0.53	1.00
Radial diffusivity	0.36	0.28	0.29	1.00
Radial FWHM	0.59	0.32	0.53	0.54	1.00

SMI: skeletal muscle mass index; CSA: cross-sectional area; FWHM: full width at half maximum. and (Spearman’s rank correlation coefficient.).