TABLE 4.

Summary of the different parameters extracted using the MRI protocol. Values are given as mean ± standard deviation for each cohort. MF—M. multifidus; ES—M. erector spinae.

Cohort	$\mathrm{f}\left(\%\right)$ MF	$\mathrm{f}\left(\%\right)$ ES	${\mathrm{D}}_{\text{xy}}$ ( $\times {10}^{-3}$ mm/s2) MF	${\mathrm{D}}_{\text{xy}}$ ( $\times {10}^{-3}$ mm/s2) ES	${\mathrm{D}}_{\mathrm{z}}$ ( $\times {10}^{-3}$ mm/s2) MF	${\mathrm{D}}_{\mathrm{z}}$ ( $\times {10}^{-3}$ mm/s2) ES	$D^{*}$ ( $\times {10}^{-3}$ mm/s2) MF	$D^{*}$ ( $\times {10}^{-3}$ mm/s2) ES
Control	8 ± 2	7.8 ± 1.9	1.37 ± 0.04	1.38 ± 0.05	1.72 ± 0.06	1.75 ± 0.08	16 ± 3	15 ± 3
Endurance	9.0 ± 1.4	8.9 ± 1.7	1.41 ± 0.04	1.40 ± 0.05	1.79 ± 0.03	1.81 ± 0.04	17 ± 3	17 ± 4
Strength	9.7 ± 1.5	9.5 ± 1.8	1.43 ± 0.03	1.43 ± 0.03	1.70 ± 0.06	1.75 ± 0.07	19 ± 3	20 ± 5